History 7,457 Periodicals 2,633 Biography 2,137 Conference papers and proceedings 1,834 Biographies 1,665 Congresses 1,614 Electronic books 1,432 Sources 690 Statistics 629 Autobiographies 349 Bibliography 340 Pictorial works 336 Fiction 331 Case studies 316 Interviews 279 Bibliographies 197 Dictionaries 194 Criticism, interpretation, etc 182 Aufsatzsammlung 177 reference 174 referencia 174 référence bibliographique 173 Drama 160 Périodiques 158 Academic theses 147 Electronic journals 147 Feature films 139 DVD-Video discs 138 Thèses et écrits académiques 131 bibliografía 131 bibliographie 131 bibliography 131 Chronology 120 Caricatures and cartoons 116 Anecdotes 115 Chronologies 114 Périodiques 111 graph 106 graphique 106 gráfico 105 Humor 100 Diaries 95 Festschriften 94 Personal narratives 90 Military history 89 Miscellanea 89 Catalogs 82 Documentary films 81 Trivia and miscellanea 81 Maps 75 Textbooks 74 Church history 73 Congrès 71 Academic Dissertation 67 Actes de congrès 67 Forecasts 66 Correspondence 64 Illustrated works 62 Video recordings 61 dissertations 61 Exhibition catalogs 60 Directories 58 Handbooks and manuals 58 Essays 57 Exhibitions 57 Handbooks, manuals, etc 57 Indexes 57 doctoral dissertations 57 masters theses 57 theses 57 Records and correspondence 55 Comics (Graphic works) 49 Fiction films 49 Comic books, strips, etc 48 Archives 47 Novels 47 Statistiques 47 Congress 45 Electronic book 43 Pamphlets 42 Personal correspondence 42 Nonfiction films 41 Kongress 40 Autobiography 39 collective biographies 37 Encyclopedias 36 Ouvrages illustrés 36 Treaties 34 Computer network resources 32 carte géographique 32 map 32 mapa 32 Association copies (Provenance) 31 Conference papers and proceedings 30 Études de cas 30 Periodical 29 Guidebooks 28 Juvenile works 28 periodicals 28 Newspapers 27