{:default=>"Keyword", :editor_tags_ssim=>"Editor Keyword Additions (Editors Only)", :sourceResource_type_ssi=>"Type", :subject_ssim=>"Subject (Editors Only)", :keywords_ssim=>"Keyword", :creator_ssim=>"Creator", :sourceResource_date_begin_ssi=>"Year", :dataProvider_ssi=>"Contributing Institution", :provider_name_ssi=>"Harvested From (Editors Only)", :sourceResource_collection_title_ssi=>"Collection", :sourceResource_spatial_state_ssi=>"Location", :sourceResource_spatial_city_ssi=>"City", :sourceResource_spatial_county_ssi=>"County", :sourceResource_spatial_region_ssi=>"Region", :batch_id_ssi=>"Import Batch ID (Editors Only)", :import_job_name_ssi=>"Import Job Name (Editors Only)", :import_job_id_isi=>"Import Job ID (Editors Only)"}: "underground railroad" -"subways" - Umbra Search Results Search African American History