Electronic books 659 History 131 Congresses 69 Case studies 59 Internet videos 57 Conference papers and proceedings 54 Feature films 54 Electronic book 53 Documentary films 32 Biography 31 Criticism, interpretation, etc 23 Cross-cultural studies 16 Biographies 14 Short films 14 Documentary television programs 12 Statistics 12 Periodicals 10 Early works 9 Early works to 1800 9 Television news programs 7 Travelogues (Television programs) 7 Juvenile literature 6 Sources 6 Congress 5 Church history 4 Educational films 4 Identification 4 Bibliography 3 Commercial treaties 3 Congressen (vorm) 3 Drama 3 Handbooks, manuals, etc 3 Military history 3 Nature television programs 3 Nonfiction films 3 Computer network resources 2 Directories 2 Documentary 2 Encyclopedias 2 Fiction 2 Field guides 2 Instructional films 2 Nonfiction television programs 2 Problems, exercises, etc 2 Academic theses 1 Anecdotes 1 Art 1 Bibliographies 1 Bombay (1986) 1 Cast studies 1 Chronologies 1 Chronology 1 Classification 1 Comic books, strips, etc 1 Correspondence 1 Dictionaries 1 Einführung 1 Electronic journals 1 Electronic resource 1 Filmed interviews 1 Folk music 1 Folklore 1 Geographic information systems 1 Guidebooks 1 Handbooks and manuals 1 Historical television programs 1 In art 1 Instructional television programs 1 Leiden (1998) 1 Life skills guides 1 Local history 1 Maps 1 Music 1 Outlines, syllabi, etc 1 Personal correspondence 1 Pictorial works 1 Picture books 1 Problems and exercises 1 Songs and music 1 Streaming videos 1 Videorecording 1 Yearbooks 1 videorecording 1