History 7,477 Electronic books 7,307 Maps 6,223 Broadsides 5,813 Periodicals 5,359 Almanacs 4,935 Biography 4,693 Booksellers' advertisements 3,319 Catalogs 3,234 Fiction 2,256 Statistics 2,204 Biographies 2,193 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 1,464 Early works to 1800 1,420 Newspapers 1,389 Census records 1,387 Juvenile literature 1,255 Advertisements 1,208 Registers 1,160 Trade catalogs 1,149 Specimens 1,135 Manufacturers' catalogs 1,071 Deeds 1,059 Sources 1,037 Poetry 1,014 Exhibitions 981 Bibliography 949 Poems 949 Playbills 944 Guidebooks 916 Topographic maps 832 Illustrated works 814 Sermons 743 Architectural drawings 703 Exhibition catalogs 628 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 439 Juvenile fiction 418 Personal narratives 414 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 Diaries 293 Controversial literature 290 Viewbooks 283 Academic theses 282 Church history 273 Electronic journals 256 Photomechanical prints 253 Statistics, Vital 250 In art 246 Juvenile works 246 Anecdotes 241 Feature films 222 Juvenile poetry 220 Dictionaries 219 Academic dissertations 218 Charters 216 Manuscripts, American 216 Video recordings for the hearing impaired 211 Acting editions 206 By-laws 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