Electronic books 412 Periodicals 135 Internet videos 132 Congresses 121 Educational films 112 Videorecording 100 History 97 Conference papers and proceedings 87 Instructional television programs 73 Nonfiction television programs 50 Television news programs 47 Documentary films 35 Electronic book 24 Case studies 17 Dictionaries 14 Biography 13 Documentary television programs 13 Encyclopedias 12 Popular works 10 Biographies 9 Terminology 9 Bibliography 6 Criticism, interpretation, etc 6 Film excerpts 6 Handbooks, manuals, etc 6 Miscellanea 5 Congress 4 Educational television programs 3 Geschiedenis (vorm) 3 Interviews 3 Livres électroniques 3 Bibliographies 2 Directories 2 Encyclopedia 2 Fiction 2 Glossaries, vocabularies, etc 2 Livres électronique 2 Nonfiction films 2 Problems and exercises 2 Problems, exercises, etc 2 Television interviews 2 Television programs 2 Translations into English 2 microform 2 videorecording 2 Art 1 Caricatures and cartoons 1 Computer network resources 1 Congressen (vorm) 1 Cross-cultural studies 1 Documentary 1 Documentary television programs 1 Early works to 1800 1 Exhibition catalogs 1 Exhibitions 1 Feature films 1 Festschriften 1 Fiction films 1 Glossaries, etc 1 Indexes 1 Instructional films 1 Juvenile fiction 1 Leermiddelen (vorm) 1 Livre électronique (Descripteur de forme) 1 Livres numériques 1 Military history 1 Newsreels 1 Non-fiction television programs 1 Patents 1 Ressource Internet (Descripteur de forme) 1 Social aspects 1 Sources 1 Terms and phrases 1 Video recordings 1