History 24,515 Biography 7,104 Criticism, interpretation, etc 4,350 Congresses 4,014 Biographies 3,624 Sources 2,991 Conference papers and proceedings 2,843 Electronic books 2,729 Early works to 1800 2,551 Catalogs 2,324 Periodicals 2,264 Fiction 2,253 Maps 2,245 Pictorial works 1,814 Exhibitions 1,765 Early works 1,208 Drama 1,164 Personal narratives 1,141 Poetry 1,138 Academic theses 1,117 Exhibition catalogs 1,074 Bibliography 954 Guidebooks 912 Thèses et écrits académiques 801 Dictionaries 790 Translations 698 Military history 591 Photographs 591 Translations into English 579 Facsimiles 480 Bibliographies 458 Statistics 434 In art 419 Festschriften 417 Academic Dissertation 416 dissertations 394 Congrès 391 Correspondence 391 Art 380 Feature films 370 Diaries 359 Texts 356 Interviews 344 Juvenile literature 341 doctoral dissertations 339 masters theses 339 theses 339 Personal narratives, Greek 318 Newspapers 299 Church history 294 Video recordings 280 Documentary films 279 Historical fiction 272 Novels 263 DVD-Video discs 254 Photograph 244 Autobiographies 243 Case studies 223 Romans, nouvelles, etc 218 Sound recordings 212 Juvenile works 206 Folklore 202 Tourist maps 199 Internet videos 197 Illustrated works 194 Aufsatzsammlung 189 Greek 184 Conference papers and proceedings 165 Manuscripts 164 Catalogues 163 Chronology 163 Naval history 160 Portraits 158 Caricatures and cartoons 156 Folk music 156 Photograph albums 156 Hochschulschrift 153 Textbooks 150 Personal correspondence 149 Juvenile fiction 146 Essays 145 Actes de congrès 144 Romans 144 Comedies 139 Expositions 138 Indexes 135 Manuscripts, Hebrew 134 Popular music 128 Topographic maps 127 Handbooks, manuals, etc 126 Songs and music 123 Fiction films 122 Music 121 Archives 118 Congresses (form) 117 Speeches 116 Motion pictures, Greek 115 Translations into Italian 114 Treaties 113 Manuscripts, Greek 112