Bibliography 1,575 History 939 Sources 490 Genealogy 248 Catalogs 216 Archives 208 American literature 185 more ... Manuscripts 158 African Americans 121 Archival resources 116 History, Local 94 Printing 80 Jews 77 American newspapers 69 Manuscripts, American 65 Rare books 62 Union catalogs 58 Maps 57 Minorities 57 Periodicals 56 Biography 51 Emigration and immigration 47 Indians of North America 46 Government publications 45 Histoire 45 Library 45 Early printed books 43 History and criticism 43 Bio-bibliography 42 Directories 39 Newspapers 39 Books 36 Politics and government 36 Libraries 35 Music 34 Union lists 34 English literature 33 Bibliographie 32 Registers of births, etc 32 Description and travel 29 less ...