Bibliography 1,670 History 986 Sources 513 Genealogy 265 Catalogs 235 Archives 217 American literature 193 more ... Manuscripts 164 African Americans 121 Archival resources 117 History, Local 105 Periodicals 103 Printing 85 Jews 81 American newspapers 73 Manuscripts, American 66 Minorities 65 Rare books 63 Union catalogs 62 Maps 59 Biography 52 Histoire 52 Emigration and immigration 48 Indians of North America 48 Government publications 47 Bio-bibliography 45 Library 45 Directories 44 Early printed books 44 Newspapers 44 History and criticism 43 Books 38 Study and teaching 38 Bibliographie 37 Libraries 37 Politics and government 36 Union lists 36 Music 35 English literature 34 Registers of births, etc 32 less ...