History 6,162 Maps 3,734 Electronic books 2,558 Biography 2,122 Periodicals 1,825 Fiction 1,794 Genealogy 1,375 Sources 1,196 Biographies 1,168 Early works to 1800 1,035 Broadsides 993 Statistics 918 Pictorial works 758 Congresses 624 Almanacs 617 Newspapers 527 Correspondence 510 Early works 463 Topographic maps 457 Guidebooks 444 Catalogs 441 Personal narratives 437 Bibliography 417 Registers 403 Conference papers and proceedings 381 Personal narratives, Confederate 342 Trials, litigation, etc 321 In art 290 Illustrated works 280 Records and correspondence 266 Advertisements 261 Printed ephemera 261 Registers (Lists) 259 Photograph 243 Historical fiction 222 Booksellers' advertisements 221 Diaries 213 Autobiographies 194 Poetry 193 Case studies 187 Exhibitions 182 Directories 179 Novels 161 Road maps 161 Archives 159 Bibliographies 157 Confederate 153 Church history 149 Military history 147 Personal correspondence 144 Mystery fiction 143 Portraits 138 Legislative histories 135 Sermons 135 Juvenile literature 131 Cases 128 Cookbooks 128 Claims 123 Local history 123 Drama 121 Exhibition catalogs 120 Maps (documents) 118 Indexes 117 Statutes and codes 116 Tourist maps 116 Juvenile fiction 112 Publishers' advertisements 105 Electronic journals 104 Anecdotes 99 Music 99 Handbooks, manuals, etc 98 Juvenile works 96 Domestic fiction 95 Detective and mystery fiction 92 Community cookbooks 89 Academic theses 86 Romans 82 Charters 81 Law reviews 81 Legislative materials 80 Specimens 80 Sound recordings 78 Documentary films 77 Songs and music 75 Census records 74 Video recordings 72 Facsimiles 71 Ouvrages avant 1800 67 Poems 66 Trial and arbitral proceedings 66 Controversial literature 65 Interviews 65 Printers' advertisements 64 Session laws 64 Charters and articles of incorporation 62 Photographs 61 Romans, nouvelles, etc 61 Feature films 60 Périodiques 59 Constitution 58