Electronic books 12,920
History 11,910
Periodicals 6,600
Internet videos 5,304
Dictionaries 3,150
Congresses 3,130
Conference papers and proceedings 2,285
Statistics 2,083
Bibliography 1,919
Early works to 1800 1,555
Databases 1,296
Early works 1,183
Biography 1,073
Electronic journals 919
Sources 767
Biographies 753
Bibliographies 694
Academic theses 542
Educational films 440
Case studies 375
Catalogs 365
Festschriften 356
Textbooks 356
Television news programs 350
Miscellanea 348
Périodiques 322
Criticism, interpretation, etc 300
Terminology 295
Thèses et écrits académiques 287
Video recordings 266
Périodiques 261
Aufsatzsammlung 254
Electronic book 241
Indexes 241
Handbooks, manuals, etc 224
Congrès 218
Correspondence 196
Handbooks and manuals 174
Congrès 160
Outlines, syllabi, etc 158
Interviews 153
Encyclopedias 149
Congress 141
dissertations 141
Academic Dissertation 138
Trivia and miscellanea 137
Computer network resources 130
Periodical 126
doctoral dissertations 126
masters theses 125
theses 125
Statistiques 123
Popular works 121
Problems, exercises, etc 113
Abstracts 111
Legislative hearings 111
Directories 107
reference 106
referencia 106
référence bibliographique 106
Dictionnaires 104
dictionaries 102
Documentary films 98
Outlines and syllabi 98
Juvenile literature 94
Examinations, questions, etc 92
Fiction 92
Streaming audio 92
bibliography 92
Downloadable audio book 91
Pamphlets 91
bibliografía 89
bibliographie 89
Actes de congrès 85
Personal correspondence 85
Cross-cultural studies 82
Documentary television programs 81
Essays 77
Problems and exercises 73
Hochschulschrift 71
Radio news programs 68
Broadsides 67
Publishers' cloth bindings (Binding) 67
Audiobooks 66
periodicals 65
Annotations (Provenance) 64
Kongress 64
Lehrbuch 64
Online-Publikation 64
graph 62
graphique 62
gráfico 62
Examinations 60
Bio-bibliography 55
Claims 54
Études de cas 53
Military history 53
Nonfiction films 53
Multilingual dictionaries 52
Autobiographies 49