History 32 Libraries 15 Societies, etc 11 Bibliography 9 Sources 8 Archives 7 Exhibitions 6 more ... African Americans 4 Slavery 4 Catalogs 3 Photography 3 Women 3 Discovery and exploration 2 Foreign public opinion, French 2 German Americans 2 Historians 2 Library 2 Manuscripts 2 Manuscripts, American 2 Natural history 2 Publishers and publishing 2 Advertising cards--United States 1 Advertising--19th century 1 Advertising--20th century 1 Agriculture 1 American wit and humor--Periodicals 1 Animals in advertising 1 Animals--Pictorial works 1 Antislavery movements 1 Archival resources 1 Awards 1 Battles and Battlefields--Graphic Images 1 Biography 1 Birds--Pictorial works 1 Black race 1 Braddock's Campaign, 1755 1 Cake 1 Caricatures and cartoons 1 Causes 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 less ...