Electronic books 833 Congresses 208 Conference papers and proceedings 138 Electronic book 58 Case studies 36 Filmed lectures 34 Instructional films 33 Handbooks, manuals, etc 30 Congress 29 Statistics 15 Software 14 History 13 Databases 12 Handbooks and manuals 12 Criticism, interpretation, etc 9 Educational films 9 Periodicals 8 Problems, exercises, etc 8 Internet videos 5 Television news programs 5 Textbooks 5 Academic theses 4 Dictionaries 4 Film excerpts 4 Geographic information systems 4 Use studies 4 Videorecording 4 Atlases 3 Classification 3 Exhibitions 3 Film clips 3 Livres électronique 3 Style manuals 3 electronic resource 3 Charts, diagrams, etc 2 Documentary films 2 Exhibition catalogs 2 Instructional television programs 2 Interviews 2 Juvenile literature 2 Kongress 2 Nonfiction television programs 2 Problems and exercises 2 Sources 2 Study guides 2 Tables 2 Terms and phrases 2 Architectural drawings 1 Aufsatzsammlung 1 Bibliography 1 Blogs 1 Code numbers 1 Computer network resources 1 Computer-assisted instruction 1 Congressen (vorm) 1 Designs and plans 1 Directories 1 Einführung 1 Electronic resource 1 Encyclopedias 1 Essay 1 Essays 1 Essays (teksten) 1 Evaluation Study 1 Examinations, questions, etc 1 Filmed interviews 1 Gidsen (vorm) 1 Handboeken (vorm) 1 Identification 1 Interactive multimedia 1 Job descriptions 1 Leermiddelen (vorm) 1 Lists 1 Live-action/animation films 1 Livres électroniques 1 Livres numériques 1 Manuales de laboratorio 1 Medical statistics 1 Music 1 Newspapers 1 Nomenclature 1 Nonfiction films 1 Observations 1 Redes (vorm) 1 Rules and practice 1 Scientific atlases 1 Streaming video 1 Terminology 1