Periodicals 13,676
History 13,270
Electronic books 9,901
Congresses 6,833
Conference papers and proceedings 4,998
Early works to 1800 4,801
Bibliography 4,605
Biography 2,908
Early works 2,412
Dictionaries 2,372
Biographies 1,921
Bibliographies 1,695
Juvenile literature 1,604
Catalogs 1,453
Internet videos 1,376
Periodical 1,288
Educational films 969
Popular works 943
Directories 916
Electronic journals 915
Statistics 908
Miscellanea 832
Juvenile works 767
Textbooks 695
Criticism, interpretation, etc 653
Instructional television programs 608
Indexes 597
Trivia and miscellanea 488
Congress 484
Handbooks, manuals, etc 484
Exhibitions 467
Terminology 439
Sources 438
Essays 434
Abstracts 417
Laboratory manuals 406
Documentary films 392
Périodiques 381
Encyclopedias 377
Festschriften 372
Handbooks and manuals 357
Video recordings 333
Laboratory Manual 319
Directory 314
Bio-bibliography 299
Exhibition catalogs 299
Congrès 291
Readers 284
Case studies 281
Nonfiction television programs 280
Aufsatzsammlung 269
Périodiques 266
Pre-Linnean works 264
Interviews 253
Correspondence 245
Fiction 237
Congrès 210
Essay 210
Databases 209
Academic theses 207
Union lists 198
Electronic book 193
periodicals 192
Poetry 184
Dictionary 183
Anecdotes 174
Laboratory Manuals 173
Problems, exercises, etc 151
Thèses et écrits académiques 147
Documentary television programs 138
Drama 132
Pictorial works 131
Humor 129
bibliography 127
Autobiographies 124
Collected Work 122
Computer network resources 122
Union catalogs 121
Records and correspondence 118
Catalog 117
Cross-cultural studies 109
Readers (Publications) 108
Kongress 106
Personal correspondence 101
Index 100
Lectures 100
Tables 100
Bibliographie 97
Advertisements 95
Annotations (Provenance) 95
Ouvrages avant 1800 95
Problems and exercises 95
Juvenile fiction 93
Academic Dissertation 91
Conference proceedings 91
Actes de congrès 89
Association copies (Provenance) 87
dictionaries 87
DVD-Video discs 83
Examinations, questions, etc 82