Periodicals 13,688
History 13,314
Electronic books 9,799
Congresses 6,843
Conference papers and proceedings 5,003
Early works to 1800 4,799
Bibliography 4,599
Biography 2,906
Early works 2,410
Dictionaries 2,375
Biographies 1,922
Bibliographies 1,698
Juvenile literature 1,607
Catalogs 1,453
Internet videos 1,378
Periodical 1,282
Electronic journals 1,003
Educational films 970
Popular works 943
Directories 916
Statistics 906
Miscellanea 835
Juvenile works 772
Textbooks 697
Criticism, interpretation, etc 649
Instructional television programs 608
Indexes 596
Trivia and miscellanea 489
Handbooks, manuals, etc 484
Congress 482
Exhibitions 468
Terminology 439
Sources 437
Essays 433
Abstracts 416
Laboratory manuals 406
Documentary films 397
Encyclopedias 377
Festschriften 373
Handbooks and manuals 360
Video recordings 337
Périodiques 334
Laboratory Manual 321
Périodiques 316
Directory 315
Bio-bibliography 298
Exhibition catalogs 298
Congrès 291
Readers 284
Case studies 280
Nonfiction television programs 278
Aufsatzsammlung 265
Pre-Linnean works 265
Interviews 253
Correspondence 245
Fiction 237
Congrès 222
Databases 212
Essay 210
Academic theses 208
periodicals 206
Union lists 198
Electronic book 192
Poetry 184
Dictionary 181
Anecdotes 174
Laboratory Manuals 173
Problems, exercises, etc 152
Thèses et écrits académiques 148
Documentary television programs 136
Drama 134
Humor 131
Pictorial works 131
bibliography 128
Autobiographies 125
Collected Work 122
Computer network resources 122
Union catalogs 121
Records and correspondence 118
Catalog 116
Cross-cultural studies 109
Readers (Publications) 108
Kongress 106
Lectures 103
Personal correspondence 102
Bibliographie 101
Index 100
Tables 100
Advertisements 97
Ouvrages avant 1800 97
Problems and exercises 96
Annotations (Provenance) 95
Juvenile fiction 93
Academic Dissertation 92
Conference proceedings 91
Association copies (Provenance) 87
dictionaries 84
Actes de congrès 83
DVD-Video discs 82
Examinations, questions, etc 82