Electronic books 7,736 History 7,480 Maps 6,223 Broadsides 5,813 Periodicals 5,361 Almanacs 4,935 Biography 4,705 Booksellers' advertisements 3,319 Catalogs 3,236 Fiction 2,257 Statistics 2,205 Biographies 2,195 Genealogy 1,952 Pictorial works 1,950 Church records 1,842 Trials, litigation, etc 1,576 Publishers' advertisements 1,565 Directories 1,518 Printed ephemera 1,468 Early works to 1800 1,441 Newspapers 1,388 Census records 1,387 Juvenile literature 1,256 Advertisements 1,208 Registers 1,160 Trade catalogs 1,149 Specimens 1,135 Manufacturers' catalogs 1,071 Deeds 1,059 Sources 1,039 Poetry 1,016 Exhibitions 983 Bibliography 951 Poems 950 Playbills 944 Guidebooks 916 Topographic maps 832 Illustrated works 814 Sermons 753 Architectural drawings 703 Exhibition catalogs 629 Prospectuses 616 Cases 606 Castlists 556 Early works 553 Portraits 506 Congresses 496 Trial and arbitral proceedings 495 Photographs 479 Case studies 474 Bibliographies 458 Designs and plans 441 Drama 438 Juvenile fiction 418 Personal narratives 417 Correspondence 398 Indexes 394 Novels 371 Road maps 367 Registers (Lists) 363 Autobiographies 359 Conference papers and proceedings 358 Probate records 357 Handbooks, manuals, etc 354 Video recordings 353 Booksellers' catalogs 350 Booksellers' catalogues 345 Documentary films 325 Lists 314 Controversial literature 298 Diaries 294 Viewbooks 283 Academic theses 282 Church history 273 Electronic journals 257 Photomechanical prints 253 Statistics, Vital 250 In art 246 Juvenile works 246 Anecdotes 241 Feature films 221 Juvenile poetry 220 Dictionaries 219 Academic dissertations 218 Charters 218 Manuscripts, American 216 Video recordings for the hearing impaired 210 By-laws 208 Acting editions 206 Marriage records 205 Songs 205 Cookbooks 202 Tax lists 194 Textbooks 186 Thèses et écrits académiques 185 Pencil drawings 183 Tourist maps 183 Academic Dissertation 179 Handbooks and manuals 179 Campaign literature 177