Electronic books 10,845 Congresses 10,166 History 7,943 Conference papers and proceedings 7,167 Periodicals 6,949 Statistics 1,702 Case studies 1,304 Biography 1,009 Bibliography 904 Sources 733 Academic theses 698 Biographies 614 Thèses et écrits académiques 560 reference 544 referencia 544 référence bibliographique 544 bibliographie 525 bibliography 525 bibliografía 523 Interviews 516 Early works to 1800 500 Television news programs 433 graph 408 graphique 408 gráfico 407 Dictionaries 393 Bibliographies 363 Aufsatzsammlung 340 Festschriften 338 Electronic journals 336 Legislative hearings 318 Congrès 279 dissertations 279 Academic Dissertation 278 Early works 259 theses 253 doctoral dissertations 252 masters theses 252 Handbooks, manuals, etc 206 Internet videos 204 Conference papers and proceedings 173 Video recordings 164 Forecasts 158 carte géographique 157 map 157 mapa 157 Handbooks and manuals 155 Actes de congrès 154 Electronic book 143 Hochschulschrift 139 Périodiques 139 Documentary films 136 Kongress 129 Catalogs 126 Computer network resources 124 Platforms 123 Périodiques 122 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 Congrès 90 Miscellanea 89 Essays 88 Serial publications 83 Correspondence 80 Études de cas 79 Maps 79 Nonfiction films 78 Messages 70 Speeches 70 Technical reports 68 national plan 68 plan nacional 68 plan national 68 Abstracts 66 Commercial treaties 66 Autobiographies 65 Chronologies 65 Konferenzschrift 61 Cross-cultural studies 60 Indexes 60 CD-ROMs 58 Fiction 57 Educational films 56 Pictorial works 55 Congresses (form) 52 Statistiques 49 DVD-Video discs 48 Legislative materials 46 Feature films 44 Documentary television programs 42 Encyclopedias 41 Legislative histories 41 Anecdotes 40