{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"UIT6187296","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"new_york_futurama_pavilion_of_the_world_s_fair_1964_65_b_w_photo","item_variant":"undefined"},{"item_id":"UIT6187664","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"new_york_a_pavilion_at_the_world_s_fair_1964_65_b_w_photo","item_variant":"undefined"},{"item_id":"STC251587","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"prince_albert_s_1819_65_season_ticket_of_admission_to_the_great_exhibition_at_crystal_palace_1851","item_variant":"undefined"},{"item_id":"NYH188428","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"exterior_view_of_the_new_york_crystal_palace_1853_colour_litho","item_variant":"undefined"},{"item_id":"TBM350556","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_palace_of_electricity_1900_lantern_slide","item_variant":"undefined"},{"item_id":"UIG3729331","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_s_fair","item_variant":"undefined"},{"item_id":"XIR213186","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"the_ferris_wheel_at_the_world_s_columbian_exposition_of_1893_in_chicago_b_w_photo","item_variant":"undefined"},{"item_id":"IMB7279586","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_world_s_fair_chicago_world_fair_and_chicago_columbian_exposition","item_variant":"undefined"},{"item_id":"UIG3729384","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_s_fair","item_variant":"undefined"},{"item_id":"UIG2623724","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_fair","item_variant":"undefined"},{"item_id":"UIG3729382","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_s_fair","item_variant":"undefined"},{"item_id":"TBM350569","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_main_entrance_gate_1900_lantern_slide","item_variant":"undefined"},{"item_id":"FAF3562428","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1889_paris_world_s_fair_the_eiffel_tower","item_variant":"undefined"},{"item_id":"CHT167372","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"postcard_of_the_international_exposition_with_the_eiffel_tower_and_the_german_and_soviet_pavilions_1","item_variant":"undefined"},{"item_id":"EPL6910266","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_fair_1940","item_variant":"undefined"},{"item_id":"XRA1642234","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"world_fair_in_1937_in_paris_entrance_of_the_world_fair_with_peace_column_and_pavillion_b_w_photo","item_variant":"undefined"},{"item_id":"CHT167370","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"view_of_the_universal_exhibition_with_the_different_pavilions_and_the_eiffel_tower_1889_colour_litho","item_variant":"undefined"},{"item_id":"LLM6012835","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_exhibit_of_the_society_of_polish_artists_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012877","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_michigan_s_grain_display_south_dakota_s_exhibit_b_w_photo","item_variant":"undefined"},{"item_id":"PVD1691917","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_fair_in_brussels_in_1958_usa_pavilion","item_variant":"undefined"},{"item_id":"LLM958473","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_ferris_wheel_b_w_photo","item_variant":"undefined"},{"item_id":"TBM350571","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_pont_alexandre_iii_1900_lantern_slide","item_variant":"undefined"},{"item_id":"LLM6012685","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_an_east_view_from_macmonnies_columbian_fountain_b_w_photo","item_variant":"undefined"},{"item_id":"XOS5944842","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"holiday_sports_in_ceylon_riding_in_a_circular_wheel_c_1893_illustration","item_variant":"undefined"},{"item_id":"TBM350568","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_avenue_nicholas_ii_1900_lantern_slide","item_variant":"undefined"},{"item_id":"LLM958687","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_new_liberty_bell_b_w_photo","item_variant":"undefined"},{"item_id":"CHT163405","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"general_view_of_the_exposition_universelle_in_1867_taken_from_the_trocadero_hill_paris_1867_colour_l","item_variant":"undefined"},{"item_id":"CHT252586","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"commemorative_fan_of_the_1889_exposition_universelle_in_paris_mixed_media","item_variant":"undefined"},{"item_id":"CH984943","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"hassam_childe_frederick_1859_1935","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_s_fair_chicago_gouache_en_grisaille_on_board","item_variant":"undefined"},{"item_id":"TBM350555","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_night_view_1900_lantern_slide","item_variant":"undefined"},{"item_id":"TBM350547","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_chemistry_and_machinery_1900_lantern_slide","item_variant":"undefined"},{"item_id":"TBM350549","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_effel_tower_1900_lantern_slide","item_variant":"undefined"},{"item_id":"XRH1729071","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bourdelin_emile_fl_1890_after","item_category5":"balown","item_list_name":"search_results","item_name":"world_fair_london_1862_engraving","item_variant":"undefined"},{"item_id":"BL3300239","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_world_s_fair_c_1890_national_and_international_event_royal_agricultural_hall_islington_general_v","item_variant":"undefined"},{"item_id":"LLM958701","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"minnesota_s_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM958526","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_picturesque_wind_mills_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012863","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_other_types_of_the_midway_b_w_photo","item_variant":"undefined"},{"item_id":"EPL6887229","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"st_louis_world_fair","item_variant":"undefined"},{"item_id":"EPL7008027","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1933","item_variant":"undefined"},{"item_id":"LLM958474","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"axle_of_the_ferris_wheel_b_w_photo","item_variant":"undefined"},{"item_id":"STC217084","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_palace_of_the_empire_of_brazil_champ_de_mars_from_l_album_de_l_exposition_1889_by_glucq_paris_18","item_variant":"undefined"},{"item_id":"LLM6012869","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_remarkable_diversity_of_nationalities_b_w_photo","item_variant":"undefined"},{"item_id":"TBM350560","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_pont_alexandre_iii_1900_lantern_slide","item_variant":"undefined"},{"item_id":"TRK561270","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"barcelona_1888_world_s_fair","item_variant":"undefined"},{"item_id":"EPL6887234","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"st_louis_world_fair","item_variant":"undefined"},{"item_id":"EPL6860373","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_fair_1893","item_variant":"undefined"},{"item_id":"LLM6012702","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_statue_of_plenty_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012682","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_lapland_village_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012763","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_persian_taking_his_comforter_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012771","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_haytian_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012823","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_great_yerkes_telescope_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012842","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_casino_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012927","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_soudanese_girls_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012749","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_alaskan_village_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012852","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_group_of_gondoliers_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012742","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_exhibit_of_paintings_by_artists_of_norway_b_w_photo","item_variant":"undefined"},{"item_id":"XRH1729068","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"balown","item_list_name":"search_results","item_name":"map_of_the_paris_world_fair_1937_litho","item_variant":"undefined"},{"item_id":"STC217085","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"interior_view_of_the_machinery_hall_from_l_album_de_l_exposition_1889_by_glucq_paris_1889_litho","item_variant":"undefined"},{"item_id":"TAD1744988","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"building_of_eiffel_tower_for_paris_world_s_fair_of_1889","item_variant":"undefined"},{"item_id":"TBM350548","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_exposition_eiffel_tower_1900_lantern_slide","item_variant":"undefined"},{"item_id":"LLM6012803","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_ruins_of_yucatan_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012889","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_southwest_territories_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012929","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_view_of_the_cairo_street_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012741","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_two_famous_paintings_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012802","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_lapland_family_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012919","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_among_the_state_buildings_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012766","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_canadian_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012885","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_company_of_soudanese_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012688","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_woman_s_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012931","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_page_of_varieties_b_w_photo","item_variant":"undefined"},{"item_id":"XRH1709919","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"balown","item_list_name":"search_results","item_name":"ferris_wheel_paris_world_fair_1900_b_w_photo","item_variant":"undefined"},{"item_id":"PVD1698624","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"poll_willem_van_de_1895_1970","item_category5":"not_balown","item_list_name":"search_results","item_name":"paris_world_fair_1937_the_pavilion_of_germany_photo","item_variant":"undefined"},{"item_id":"XRH1718605","item_category2":"in_copyright","item_category3":"standard","item_category4":"waterkeyn_andre_1917_2005","item_category5":"balown","item_list_name":"search_results","item_name":"world_fair_in_brussels_on_march_29_1958_the_atomium","item_variant":"undefined"},{"item_id":"PVD1694363","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_fair_paris_1889_the_galerie_des_machines","item_variant":"undefined"},{"item_id":"PVD1693176","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_fair_in_paris_1900_the_crowd_on_iena_bridge_to_eiffel_tower","item_variant":"undefined"},{"item_id":"BL3293513","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_s_fair_royal_agricultural_hall_islington_n_open_daily_until_saturday_febry_9th_continued_succe","item_variant":"undefined"},{"item_id":"LLM958679","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"across_wooded_island_northeast_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012745","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_door_in_the_cathedral_of_bordeaux_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012843","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_minnesota_s_pomological_exhibit_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012859","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_doorway_of_the_cathedral_of_bordeaux_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012881","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_german_educational_exhibit_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012712","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_picture_of_the_greeley_expedition_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012753","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_proctor_s_moose_statues_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012760","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_mines_and_mining_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012779","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_group_of_arab_horsemen_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012810","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_cold_storage_fire_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012828","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_section_of_italian_paintings_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012868","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_the_johore_bunglow_village_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012891","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_utah_territory_building_b_w_photo","item_variant":"undefined"},{"item_id":"LLM6012911","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"chicago_world_s_fair_1893_a_panoramic_view_from_the_northeast_b_w_photo","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"fiera mondiale","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":3844,"search_results_page_number":1}