History 12,953 Congresses 6,561 Electronic books 6,069 Conference papers and proceedings 5,456 Periodicals 4,605 Maps 2,109 Biography 1,871 Early works to 1800 1,675 Bibliography 1,428 Internet videos 1,295 Biographies 1,194 Criticism, interpretation, etc 1,030 Catalogs 908 Case studies 888 Sources 884 Early works 863 Exhibitions 835 Dictionaries 738 Statistics 729 Pictorial works 728 Exhibition catalogs 693 Bibliographies 586 Fiction 531 Directories 516 Congrès 275 Military history 269 Electronic journals 266 Guidebooks 252 Church history 249 Personal narratives 237 Juvenile literature 228 Autobiographies 225 Conference papers and proceedings 222 Cross-cultural studies 217 Handbooks, manuals, etc 205 Documentary films 195 Congress 193 Feature films 187 Juvenile works 184 Aufsatzsammlung 182 Festschriften 181 Electronic book 180 Illustrated works 159 Correspondence 156 Poetry 154 Early maps 153 Diaries 152 Video recordings 141 Périodiques 140 Handbooks and manuals 127 Academic theses 126 Congrès 120 Classification 118 Périodiques 112 Drama 111 Indexes 111 Folklore 105 Expositions 103 Actes de congrès 101 Interviews 97 Travel literature 97 Encyclopedias 92 Art 91 Periodical 91 Études de cas 87 Sound recordings 83 Catalogues 82 Documentary television programs 81 Records and correspondence 81 Legislative hearings 80 Nonfiction films 80 Anecdotes 79 Translations 79 Ouvrages avant 1800 77 Personal correspondence 77 Travel writing 76 Facsimiles 73 Educational films 72 Textbooks 71 Thèses et écrits académiques 71 Identification 70 Ouvrages illustrés 70 Topographic maps 68 Tables 67 Kongress 65 Music 65 bibliography 61 Physical maps 59 Aerial views 58 Databases 58 Novels 58 Thematic maps 57 Atlases 56 Comic books, strips, etc 56 In art 55 Chronology 54 Photographs 54 Pictorial maps 54 bibliografía 54 bibliographie 54