History 8,668 Electronic books 7,486 Treaties 4,267 Fiction 4,144 Biography 3,524 Folklore 3,260 Periodicals 2,741 Biographies 2,068 Pictorial works 2,027 Music 1,820 Juvenile literature 1,805 Early works to 1800 1,703 Poetry 1,525 Maps 1,501 Legislative materials 1,475 Bibliography 1,376 Juvenile works 1,261 Congresses 1,246 Juvenile fiction 1,244 Sources 1,193 Conference papers and proceedings 944 Portraits 926 Catalogs 868 Legislative hearings 841 Exhibitions 790 Claims 768 Early works 756 Documentary films 716 Bibliographies 675 Broadsides 673 Statistics 634 Drama 592 In art 579 Legends 564 Internet videos 554 Legislative histories 552 Exhibition catalogs 539 Criticism, interpretation, etc 513 Constitutions 502 Glossaries, vocabularies, etc 491 Autobiographies 487 Video recordings 463 Dictionaries 439 Texts 437 Sound recordings 416 Charters 386 Photographic prints 383 Diaries 380 Government publications 372 Historical fiction 370 Charters and articles of incorporation 362 Photographs 359 Illustrated works 354 Printed ephemera 354 Feature films 338 By-laws 334 Newspapers 329 Songs and music 305 Novels 301 Personal narratives 293 Publishers' advertisements 278 Directories 271 Nonfiction films 260 Ephemera 240 Handbooks, manuals, etc 237 Correspondence 234 Literary collections 233 Short films 225 Interviews 219 Military history 214 Genealogy 213 Educational films 210 Photograph albums 203 Academic theses 194 Sermons 191 Ethnographic films 188 Poems 183 Cases 182 Encyclopedias 181 Trials, litigation, etc 177 Records and correspondence 176 Guidebooks 174 Case studies 173 Folk music 173 Video recordings for the hearing impaired 172 Songs 170 Literature 169 Romans 167 Western stories 159 Messages 157 Captivity narratives 156 Thèses et écrits académiques 145 Archives 142 Documentary television programs 142 Handbooks and manuals 141 Romans, nouvelles, etc 141 Comic books, strips, etc 139 Early accounts to 1600 138 Anecdotes 133 Festschriften 128