History 481 Electronic books 371 Periodicals 157 Biographies 58 Biography 57 Libros electronicos 56 Criticism, interpretation, etc 53 Case studies 47 Conference papers and proceedings 41 Congresses 39 Electronic journals 26 Fiction 24 Sources 17 Periodical 13 Video recordings 13 Exhibitions 11 Interviews 11 Périodiques 11 Drama 10 Exhibition catalogs 10 Pictorial works 10 proceedings (reports) 10 Autobiographies 9 Bibliographies 9 Feature films 9 Bibliography 8 Military history 8 Sermons 8 Sound recordings 8 Academic theses 7 Documentary films 7 Festschriften 7 Libros electrónicos 7 Personal correspondence 7 Statistics 7 Trials, litigation, etc 7 Congress 6 Correspondence 6 Essays 6 Fiction films 6 Folklore 6 Spanish language films 6 Cases 5 Catalogs 5 Identification 5 Video recordings for the hearing impaired 5 Análisis 4 Church history 4 Zeitschrift 4 autobiographies (literary works) 4 dissertations 4 e-books 4 Caricatures and cartoons 3 Commercial treaties 3 Dictionaries 3 Early works to 1800 3 Examinations 3 Field guides 3 Folk music 3 Illustrated works 3 Local history 3 Novels 3 Personal narratives 3 Poetry 3 Romans, nouvelles, etc 3 Short films 3 Songs and music 3 collective biographies 3 sermons 3 Art 2 Aufsatzsammlung 2 Autobiography 2 Bildungsromans 2 Census data 2 Classification 2 Cumbia (Music) 2 Directories 2 Estudios 2 Expositions 2 Film adaptations 2 Guidebooks 2 Handbooks and manuals 2 Handbooks, manuals, etc 2 Maps 2 Music 2 Photographs 2 Popular music 2 Program music 2 Rules 2 Scores 2 Short stories 2 Treaties 2 novels 2 short stories 2 Academic Dissertation 1 Action and adventure films 1 Anecdotes 1 Animated films 1 Architectural drawings 1 Archives 1