Electronic books 114 Biography 56 History 48 Documentary television programs 45 Nonfiction television programs 42 Biographies 37 Reality television programs 37 Television programs 37 Documentary films 24 Electronic book 20 Fiction 12 Guidebooks 12 Juvenile fiction 10 Pictorial works 9 Poetry 9 Juvenile literature 8 Anecdotes 6 Nature television programs 6 Case studies 5 Wildlife television programs 5 Television news programs 4 Diaries 3 Exhibitions 3 Folklore 3 Maps 3 Nonfiction films 3 Travelogues (Television programs) 3 Classification 2 Congresses 2 Educational films 2 Filmed interviews 2 Handbooks and manuals 2 Handbooks, manuals, etc 2 Internet videos 2 Interviews 2 Literary collections 2 Local history 2 Music 2 Newsreels 2 Short films 2 Texts 2 Action and adventure television programs 1 Adaptations 1 American 1 Anthologie 1 Autobiographies 1 Bibliographies 1 Bibliography 1 Caricatures and cartoons 1 Catalogs 1 Conference papers and proceedings 1 Congress 1 Correspondence 1 Documentary 1 Drama 1 Encyclopedias 1 Environmental films 1 Ethnographic films 1 Exhibition catalogs 1 Feature films 1 Field guides 1 Identification 1 Interactive videos 1 Juvenile works 1 Legends 1 Messages 1 Non-fiction television programs 1 Personal correspondence 1 Personal narratives 1 Personal narratives, American 1 Silent films 1 Sources 1 Speeches 1 Statistics 1 Streaming videos 1 Television cooking shows 1 Television mini-series 1 Translations 1 Translations into English 1 Treaties 1 Trials, litigation, etc 1 cartographic material 1