Electronic books 19,510 Biography 9,012 History 6,939 Biographies 2,749 Electronic book 2,237 Criticism, interpretation, etc 1,520 Television news programs 1,424 Educational films 1,408 Case studies 1,359 Congresses 1,203 Interviews 1,148 Documentary films 1,147 Internet videos 754 Juvenile literature 719 Conference papers and proceedings 705 Film excerpts 653 Documentary television programs 607 Sources 591 Filmed speeches 518 Filmed interviews 475 Fiction 456 Handbooks, manuals, etc 439 Periodicals 431 Statistics 412 sound recording 390 Unedited footage 369 Videorecording 369 Personal narratives 368 Messages 357 Bibliography 354 Instructional films 346 Film clips 322 Nonfiction films 301 Correspondence 291 Pictorial works 276 Congress 255 Popular works 235 Television interviews 218 Dictionaries 214 Cases 213 Directories 202 Personal narratives, American 196 Short films 194 Handbooks and manuals 192 Anecdotes 178 Trials, litigation, etc 174 Encyclopedias 172 Feature films 148 Personal correspondence 144 Songs and music 135 Juvenile fiction 127 Biographical films 126 Diaries 124 Miscellanea 124 Study guides 120 Church history 118 Drama 117 Biographical television programs 111 Nonfiction television programs 109 Military history 106 Television cooking shows 103 American 98 Autobiographies 93 Comic books, strips, etc 93 Personal narratives, Confederate 91 Exhibitions 87 Newsreels 87 Poetry 78 Experimental films 77 Filmed lectures 76 Bibliographies 75 Cross-cultural studies 75 Examinations, questions, etc 74 Guidebooks 73 Non-fiction television programs 71 Maps 70 Catalogs 68 Historical films 67 Silent films 67 Bio-bibliography 66 Filmed panel discussions 66 Humor 62 videorecording 61 Examinations 58 Longitudinal studies 58 Literary collections 56 Music 50 Chronology 48 Folklore 48 Historical television programs 45 Excerpts 43 Portraits 43 Rules 40 Aufsatzsammlung 39 Comics (Graphic works) 39 Juvenile works 39 Non-fiction films 35 Problems, exercises, etc 33 Computer network resources 32 Documentary 31