Electronic books 4,184 History 873 Criticism, interpretation, etc 352 Electronic book 209 Congresses 201 Biography 184 Conference papers and proceedings 151 Internet videos 116 Periodicals 108 Educational films 97 Biographies 95 Videorecording 89 Interviews 70 Early works to 1800 53 Introductions 51 Case studies 44 Documentary films 34 Early works 34 Dictionaries 31 Miscellanea 24 Encyclopedias 23 Aufsatzsammlung 20 Literary collections 19 Cross-cultural studies 17 Nonfiction television programs 17 Livres électronique 16 Livres numériques 16 Sources 16 Popular works 14 Textbooks 14 Bibliography 13 Geschiedenis (vorm) 13 Television interviews 13 Trivia and miscellanea 12 Congressen (vorm) 11 Terminology 11 Correspondence 10 Classification 9 Nonfiction films 9 Congress 8 Controversial literature 8 Anecdotes 7 Essays 7 Festschriften 7 Filmed interviews 7 Handbooks, manuals, etc 7 Personal correspondence 7 Bibliographies 5 Commentaren (vorm) 5 Drama 5 Humor 5 Livres électroniques 5 Trials, litigation, etc 5 Academic theses 4 Cases 4 Comparative studies 4 Einführung 4 Fiction 4 Handbooks and manuals 4 Illustrations 4 Motion pictures 4 Pictorial works 4 Quotations, maxims, etc 4 Reference works 4 Books and reading 3 Collected Work 3 Computer network resources 3 Feature films 3 Filmed dance 3 Instructional films 3 Lectures 3 Lehrbuch 3 Literature 3 Personal narratives 3 Quotations 3 electronic resource 3 Archives 2 Biographie 2 Congresos 2 Constitution 2 Counterfactual histories 2 Diaries 2 Didactic fiction 2 Documentary television programs 2 Festschrift 2 Filmed lectures 2 Forecasts 2 Illustrated works 2 Indexes 2 Live-action/animation films 2 Local history 2 Meditations 2 Military history 2 Personal Narrative 2 Translations 2 Vertalingen (vorm) 2 Actes de congrès 1 Art 1 Autobiographies 1 Autobiography 1