History 21 Rare books 21 Addresses, sermons, etc 12 Bibliography 7 Auctions 6 Books 6 Description and travel 6 more ... Library 6 African Americans 5 Catalogs 5 Slavery 5 Book collecting 4 Collectors and collecting 4 Exhibitions 4 Fourth of July orations, 1806 4 Manuscripts 4 Politics and government 4 Special collections 4 Antislavery movements 3 Genealogy 3 Histoire 3 Libraries 3 Maps 3 Pennsylvania--History 3 Private libraries 3 Rare book libraries 3 Abolitionists 2 African American authors 2 Bookbinding 2 Booksellers' catalogs 2 Cataloging of rare books 2 Centennial Exhibition (1876 : Philadelphia, Pa.) 2 Chess players 2 Cooking 2 Cooking, American 2 Discovery and exploration 2 Engineering--Pennsylvania--Philadelphia 2 Esclavage 2 Esclaves fugitifs 2 Fourth of July orations, 1804 2 less ...