History 24,490 Biography 7,090 Criticism, interpretation, etc 4,361 Congresses 4,012 Biographies 3,606 Sources 2,994 Conference papers and proceedings 2,845 Electronic books 2,775 Early works to 1800 2,551 Catalogs 2,321 Periodicals 2,262 Maps 2,243 Fiction 2,228 Pictorial works 1,806 Exhibitions 1,768 Early works 1,212 Drama 1,157 Poetry 1,139 Personal narratives 1,136 Academic theses 1,108 Exhibition catalogs 1,069 Bibliography 947 Guidebooks 910 Thèses et écrits académiques 794 Dictionaries 790 Translations 695 Military history 589 Photographs 585 Translations into English 580 Facsimiles 480 Bibliographies 457 Statistics 434 In art 419 Festschriften 417 Academic Dissertation 410 dissertations 396 Correspondence 391 Art 380 Congrès 368 Feature films 368 Texts 358 Diaries 356 Interviews 342 doctoral dissertations 339 masters theses 339 theses 339 Juvenile literature 338 Personal narratives, Greek 316 Newspapers 300 Church history 294 Video recordings 277 Documentary films 276 Historical fiction 269 Novels 257 DVD-Video discs 254 Photograph 244 Autobiographies 243 Case studies 222 Sound recordings 212 Folklore 201 Tourist maps 198 Internet videos 197 Juvenile works 197 Aufsatzsammlung 196 Illustrated works 191 Romans, nouvelles, etc 191 Greek 185 Catalogues 171 Conference papers and proceedings 165 Manuscripts 164 Chronology 162 Naval history 162 Hochschulschrift 158 Caricatures and cartoons 156 Folk music 156 Photograph albums 155 Portraits 155 Textbooks 150 Actes de congrès 148 Personal correspondence 148 Essays 145 Juvenile fiction 145 Romans 145 Comedies 141 Manuscripts, Hebrew 134 Indexes 132 Expositions 131 Popular music 128 Topographic maps 127 Handbooks, manuals, etc 126 Congresses (form) 124 Songs and music 122 Music 121 Fiction films 119 Archives 116 Speeches 115 Motion pictures, Greek 114 Translations into Italian 114 Treaties 113 Manuscripts, Greek 112