History 3,475 Congresses 2,934 Biography 1,915 Periodicals 1,529 Conference papers and proceedings 1,519 Electronic books 1,176 Biographies 958 Statistics 916 Interviews 564 Sources 308 Fiction 292 Autobiographies 193 Chronology 184 Directories 165 Documentary films 163 Platforms 159 Pictorial works 134 Dictionaries 131 Criticism, interpretation, etc 127 Case studies 122 Chronologies 117 Diaries 109 Bibliography 104 Handbooks, manuals, etc 102 Video recordings 96 Political platforms 90 Exhibitions 80 Essays 79 Feature films 71 Personal narratives 71 Nonfiction films 69 Humor 68 Aufsatzsammlung 67 Congrès 67 Legislative hearings 67 Drama 63 Exhibition catalogs 63 Handbooks and manuals 62 Internet videos 56 Novels 56 Forecasts 54 Military history 54 Textbooks 51 Electronic journals 47 Legislative materials 47 Newspapers 44 Correspondence 42 Romans, nouvelles, etc 42 Academic theses 40 Catalogs 40 Electronic book 37 Bibliographies 36 DVD-Video discs 36 Conference papers and proceedings 35 Autobiography 34 Anecdotes 33 Festschriften 33 Television news programs 33 Miscellanea 32 Périodiques 32 Statistiques 31 Périodiques 30 Romans 30 Thèses et écrits académiques 28 Trials, litigation, etc 28 Government publications 27 autobiographies (literary works) 27 Actes de congrès 25 Essais 24 Maps 24 Poetry 23 Statutes and codes 23 Expositions 22 Short stories 22 essays 22 interviews 22 Quotations 21 Audiotapes 20 Computer network resources 20 Photobooks 20 Documentary television programs 19 Personal correspondence 19 Records and correspondence 19 Russian language materials 19 Caricatures and cartoons 18 Texts 18 bibliografía 18 bibliographie 18 bibliography 18 Academic Dissertation 17 Conference proceedings 17 Congrès 17 Controversial literature 17 Biographical films 16 Entretiens 16 Illustrated works 16 collective biographies 16 graph 16 graphique 16 gráfico 16