History 7,494 Electronic books 7,300 Maps 6,234 Broadsides 5,815 Periodicals 5,366 Almanacs 4,935 Biography 4,697 Booksellers' advertisements 3,321 Catalogs 3,234 Fiction 2,264 Statistics 2,215 Biographies 2,196 Genealogy 1,954 Pictorial works 1,953 Church records 1,842 Trials, litigation, etc 1,576 Publishers' advertisements 1,564 Directories 1,519 Printed ephemera 1,463 Early works to 1800 1,423 Newspapers 1,390 Census records 1,387 Juvenile literature 1,256 Advertisements 1,210 Registers 1,159 Trade catalogs 1,149 Specimens 1,139 Manufacturers' catalogs 1,071 Deeds 1,059 Sources 1,045 Poetry 1,016 Exhibitions 983 Bibliography 948 Poems 948 Playbills 944 Guidebooks 917 Topographic maps 832 Illustrated works 815 Sermons 742 Architectural drawings 703 Exhibition catalogs 628 Prospectuses 616 Cases 606 Castlists 556 Early works 555 Portraits 507 Congresses 497 Trial and arbitral proceedings 495 Photographs 479 Case studies 477 Bibliographies 460 Drama 442 Designs and plans 441 Juvenile fiction 418 Personal narratives 414 Correspondence 399 Indexes 396 Novels 376 Road maps 367 Registers (Lists) 363 Conference papers and proceedings 358 Autobiographies 357 Probate records 357 Handbooks, manuals, etc 354 Video recordings 354 Booksellers' catalogs 350 Booksellers' catalogues 345 Documentary films 327 Lists 314 Diaries 294 Controversial literature 289 Academic theses 283 Viewbooks 283 Electronic journals 280 Church history 276 Photomechanical prints 253 Statistics, Vital 250 Juvenile works 247 In art 246 Anecdotes 240 Feature films 226 Juvenile poetry 220 Dictionaries 219 Academic dissertations 218 Manuscripts, American 217 Charters 216 Video recordings for the hearing impaired 215 Acting editions 206 By-laws 206 Cookbooks 205 Marriage records 205 Songs 205 Tax lists 194 Tourist maps 187 Textbooks 186 Thèses et écrits académiques 186 Pencil drawings 183 Academic Dissertation 180 Handbooks and manuals 179 Campaign literature 177