History 3,092 Congresses 1,794 Electronic books 1,701 Periodicals 1,420 Biography 1,248 Conference papers and proceedings 1,233 Biographies 787 Interviews 553 Case studies 371 Statistics 280 Sources 254 Autobiographies 212 Exhibitions 172 Dictionaries 163 Aufsatzsammlung 145 Forecasts 133 Exhibition catalogs 126 Pictorial works 116 Electronic journals 108 Chronology 93 Fiction 93 Caricatures and cartoons 84 Criticism, interpretation, etc 76 Bibliography 75 Diaries 71 Chronologies 66 Essays 66 Périodiques 61 Academic theses 60 Electronic book 60 Humor 60 Miscellanea 59 Périodiques 59 Congrès 56 Personal narratives 56 Anecdotes 54 Documentary films 50 Drama 50 Kongress 50 Military history 49 Catalogs 48 Feature films 48 Church history 47 Encyclopedias 47 Handbooks, manuals, etc 47 graph 42 graphique 42 gráfico 42 bibliographie 41 bibliography 41 Computer network resources 40 bibliografía 40 Platforms 39 Trivia and miscellanea 39 Directories 38 Festschriften 38 Video recordings 38 Actes de congrès 37 Études de cas 35 Handbooks and manuals 35 interviews 35 Autobiography 34 collective biographies 34 Maps 33 Correspondence 32 Textbooks 32 Databases 31 Conference papers and proceedings 30 Expositions 29 Thèses et écrits académiques 29 Comic books, strips, etc 28 Internet videos 28 Nonfiction films 28 Bibliographies 27 reference 27 referencia 27 référence bibliographique 27 Informational works 26 Essais 25 Government publications 25 essays 25 Congress 24 Entretiens 24 autobiographies (literary works) 23 Controversial literature 20 Juvenile literature 20 Novels 20 CD-ROMs 19 Documents d'information 19 Photobooks 19 Political platforms 19 Études de cas 19 Monografia 18 Quotations 18 Catalogues d'exposition 17 Comedy films 17 DVD-Video discs 17 Records and correspondence 17 exhibition catalogs 17 Audiotapes 16