Electronic books 10,842 Congresses 10,159 History 7,933 Conference papers and proceedings 7,165 Periodicals 6,945 Statistics 1,701 Case studies 1,302 Biography 1,006 Bibliography 904 Sources 727 Academic theses 694 Biographies 612 Thèses et écrits académiques 558 reference 542 referencia 542 référence bibliographique 542 bibliographie 522 bibliography 522 bibliografía 520 Interviews 515 Early works to 1800 500 Television news programs 432 graph 406 graphique 406 gráfico 405 Dictionaries 392 Bibliographies 361 Aufsatzsammlung 339 Festschriften 338 Legislative hearings 318 Electronic journals 278 dissertations 278 Academic Dissertation 276 Congrès 276 Early works 259 theses 253 doctoral dissertations 252 masters theses 252 Handbooks, manuals, etc 205 Internet videos 204 Conference papers and proceedings 174 Video recordings 163 Forecasts 158 carte géographique 156 map 156 mapa 156 Actes de congrès 154 Handbooks and manuals 152 Electronic book 143 Hochschulschrift 138 Documentary films 135 Périodiques 130 Kongress 129 Catalogs 126 Périodiques 126 Computer network resources 124 Platforms 123 Radio news programs 120 Directories 116 Statutes and codes 114 Government publications 110 Oral histories (literary works) 105 Chronology 103 Congress 103 Pamphlets 99 Political platforms 91 Miscellanea 89 Essays 88 Congrès 87 Serial publications 83 Correspondence 80 Maps 79 Études de cas 78 Nonfiction films 78 Messages 70 Speeches 70 Technical reports 68 Abstracts 66 Commercial treaties 66 national plan 66 plan nacional 66 plan national 66 Chronologies 65 Autobiographies 64 Konferenzschrift 61 Cross-cultural studies 60 Indexes 60 CD-ROMs 58 Fiction 57 Educational films 56 Pictorial works 55 Congresses (form) 52 DVD-Video discs 48 Statistiques 48 Legislative materials 45 Feature films 43 Documentary television programs 42 Encyclopedias 41 Legislative histories 41 case study 40