History 3,803 Biography 1,661 Periodicals 1,479 Biographies 1,054 Electronic books 1,025 Sources 828 Internet videos 739 Educational films 712 Congresses 585 Interviews 563 Conference papers and proceedings 477 Autobiographies 251 Criticism, interpretation, etc 241 Oral histories (literary works) 226 Case studies 207 Bibliography 184 Dictionaries 164 Pictorial works 144 Newsreels 132 Oral histories 116 Fiction 114 Posters 102 Political posters 100 Protest posters 99 Chronology 98 Caricatures and cartoons 92 Correspondence 83 Bibliographies 81 Statistics 78 Anecdotes 77 Chronologies 70 Personal narratives 70 Drama 69 Périodiques 68 Diaries 67 Documentary films 63 Indexes 62 Aufsatzsammlung 61 Archives 59 Video recordings 59 collective biographies 56 Feature films 55 Encyclopedias 50 Exhibitions 47 Maps 46 Military history 46 Périodiques 45 Academic theses 44 Electronic journals 41 Church history 40 Electronic book 40 Catalogs 39 Records and correspondence 39 DVD-Video discs 37 Humor 36 Association copies (Provenance) 33 Treaties 33 Actes de congrès 32 Video recordings for the hearing impaired 31 reference 31 referencia 31 référence bibliographique 31 Comic books, strips, etc 30 Festschriften 30 Juvenile literature 29 Monografia 29 Audiotapes 28 Exhibition catalogs 28 Personal correspondence 28 Études de cas 27 Nonfiction films 27 Opracowanie 27 Pamphlets 27 Textbooks 27 Congrès 26 Documentary television programs 26 Essays 26 Miscellanea 26 Newspapers 26 Speeches 24 bibliografía 24 bibliographie 24 bibliography 24 Comics (Graphic works) 23 Handbooks, manuals, etc 23 Fiction films 22 Praca zbiorowa 21 Congress 20 Illustrated works 20 Directories 19 Graphic novels 19 Novels 19 Autobiography 18 Computer network resources 18 Databases 18 Quotations 18 Trials, litigation, etc 18 Forecasts 17 Handbooks and manuals 17 Juvenile works 17