Periodicals 18,648
Electronic books 14,087
Congresses 13,166
Conference papers and proceedings 9,805
History 7,810
Bibliography 4,535
Case studies 3,090
Directories 3,055
Handbooks, manuals, etc 2,206
Internet videos 2,165
Periodical 2,029
Biography 1,831
Bibliographies 1,780
Congress 1,755
Electronic journals 1,739
Statistics 1,658
Handbooks and manuals 1,435
Biographies 1,275
Abstracts 1,112
Educational films 867
Legislative hearings 829
Video recordings 709
Dictionaries 677
Directory 671
Criticism, interpretation, etc 655
Périodiques 639
Government publications 613
Interviews 591
Sources 582
Périodiques 560
Legislative materials 529
Aufsatzsammlung 509
Nonfiction television programs 481
Catalogs 480
Technical reports 480
Databases 459
Academic theses 447
Documentary films 428
Congrès 406
Cross-cultural studies 390
Legislative histories 387
Electronic book 372
Festschriften 370
Indexes 360
Fiction 358
periodicals 348
Observations 342
Congrès 327
Treaties 325
congresses 287
Computer network resources 281
Thèses et écrits académiques 269
Laboratory Manual 252
Laboratory manuals 250
Actes de congrès 249
Textbooks 246
Handbook 221
Laboratory Manuals 220
Radio news programs 215
Maps 211
Conference papers and proceedings 198
Correspondence 196
Exhibitions 193
Documentary television programs 191
Guides, manuels, etc 189
Essays 188
Oral histories (literary works) 182
Fulltext 181
Photographs 177
Guides et manuels 174
Nonfiction films 174
Études de cas 171
Longitudinal studies 171
Classification 165
Autobiographies 163
Academic Dissertation 162
Internet Resources 155
Lectures 154
Popular works 153
Feature films 141
Encyclopedias 140
Internet resource 139
Oral histories 138
dissertations 138
Serial publications 136
Early works to 1800 135
Exhibition catalogs 133
Pictorial works 131
Drama 124
Video recordings for the hearing impaired 124
CD-ROMs 118
doctoral dissertations 118
theses 118
masters theses 117
Kongress 114
Legislation 113
Statistiques 113
bibliography 113
handbooks 112
Rules and practice 109