History 3,796 Biography 1,662 Periodicals 1,478 Biographies 1,056 Electronic books 1,044 Sources 826 Internet videos 739 Educational films 712 Congresses 586 Interviews 561 Conference papers and proceedings 477 Autobiographies 251 Criticism, interpretation, etc 240 Oral histories (literary works) 226 Case studies 207 Bibliography 184 Dictionaries 164 Pictorial works 144 Newsreels 132 Oral histories 116 Fiction 115 Posters 102 Political posters 100 Protest posters 99 Chronology 97 Caricatures and cartoons 92 Correspondence 83 Bibliographies 81 Statistics 78 Anecdotes 77 Périodiques 75 Chronologies 69 Drama 69 Personal narratives 69 Diaries 67 Indexes 63 Documentary films 62 Aufsatzsammlung 61 Archives 59 Video recordings 59 collective biographies 59 Feature films 55 Encyclopedias 50 Exhibitions 47 Maps 46 Military history 46 Academic theses 44 Electronic journals 41 Church history 40 Electronic book 40 Catalogs 39 Records and correspondence 39 Périodiques 38 DVD-Video discs 37 Humor 36 Actes de congrès 33 Association copies (Provenance) 33 Treaties 33 Video recordings for the hearing impaired 31 reference 31 referencia 31 référence bibliographique 31 Festschriften 30 Juvenile literature 30 Comic books, strips, etc 29 Études de cas 29 Monografia 29 Audiotapes 28 Exhibition catalogs 28 Personal correspondence 28 Opracowanie 27 Pamphlets 27 Textbooks 27 Congrès 26 Documentary television programs 26 Essays 26 Miscellanea 26 Newspapers 26 Nonfiction films 26 Speeches 24 bibliografía 24 bibliographie 24 bibliography 24 Handbooks, manuals, etc 23 Comics (Graphic works) 22 Congress 21 Fiction films 21 Praca zbiorowa 21 Illustrated works 20 Autobiography 19 Directories 19 Novels 19 Computer network resources 18 Databases 18 Graphic novels 18 Quotations 18 Trials, litigation, etc 18 Forecasts 17 Handbooks and manuals 17 Juvenile works 17