History 277 Sources 168 Manuscripts 164 Bibliography 134 Archives 122 Manuscripts, American 105 Catalogs 103 more ... Genealogy 59 Art 58 Library 54 Auctions 50 Rare books 48 Books 47 Library catalogs 42 Painting, American 39 Art, American 38 Portraits 38 Painting 34 African Americans 31 Equipment and supplies 31 Universities and colleges 30 Art collections 29 Furniture 29 Booksellers' catalogs 28 Curricula 28 Collectors and collecting 27 History, Local 26 Private collections 24 Publishers' catalogs 23 Indians of North America 22 Maps 22 Painting, Modern 20 Description and travel 19 Prices 19 Histoire 18 Portraits, American 18 Seeds 18 Catalogues de bibliothèques 17 Commercial catalogs 17 Documents on microfilm 17 less ...