Book 58,573 Conference Proceeding 1,686 Journal 1,384 Map 1,339 Serial 1,310 Electronic 997 Unknown 927 Audio 726 Thesis 639 Government Document 391 Kit 320 Book Chapter 271 Manuscript 157 Musical Score 104 Reference Material 89 Photo 55 Newspaper 28 Physical Object 4 Article 1 see all ...

D - World History 14,716 H - Social Science 7,097 P - Language and Literature 4,302 N - Fine Arts 3,924 K - Law 2,735 J - Political Science 2,469 G - Geography, Anthropology, Recreation 2,253 B - Philosophy, Psychology, Religion 2,171 Z - Library Science 1,243 M - Music 1,186 F - General American History 965 Q - Science 862 L - Education 831 C - Historical Sciences 792 T - Technology 708 S - Agriculture 506 R - Medicine 440 A - General Works 260 U - Military Science 256 E - United States History 212 V - Naval Science 178 see all ...

Portugal 2,081 Portugal and Brazil Digitization Project (John Carter Brown Library) 683 Organisation for Economic Co-operation and Development 392 SourceOECD (Online service) 235 Instituto Geográfico e Cadastral (Portugal) 198 Portugal Sovereign (1750-1777 : Joseph) 198 Henry Charles Lea Library (University of Pennsylvania) 187 Portugal Sovereign (1777-1816 : Maria I) 170 Fundação Calouste Gulbenkian 167 Jose Rodrigues Migueis Collection (Brown University) 167 Instituto Nacional de Estatística (Portugal) 163 International Monetary Fund 155 Maria I, Queen of Portugal, 1734-1816 134 Siza, Álvaro, 1933- 132 Marques, António Henrique R. de Oliveira 131 Museu Nacional de Arte Antiga (Portugal) 130 Salazar, António de Oliveira, 1889-1970 124 Instituto Nacional de Estatística (Portugal) 121 Adam Matthew Digital (Firm) 119 Joseph, King of Portugal, 1714-1777 119 Oliveira Martins, J. P (Joaquim Pedro), 1845-1894 118 Biblioteca Nacional (Portugal) 117 Caetano, Marcello, 1906-1980 113 Branco, Paulo 112 ebrary, Inc 112 Academia das Ciências de Lisboa 106 Madragoa Filmes (Firm) 104 United States Department of State 103 United States 100 Portugal Sovereign (1816-1826 : John VI) 92 see all ...

Portuguese 46,649 English 12,470 French 4,569 Spanish 4,477 German 1,430 Italian 1,150 Latin 863 Undetermined 253 Hebrew 233 Multiple 196 Dutch 176 Arabic 156 Russian 136 Chinese 126 Catalan 115 Galician 108 Japanese 103 No linguistic content 97 Polish 50 Swedish 31 Yiddish 27 Czech 20 Persian 17 Turkish 16 Danish 13 Greek 13 Afrikaans 12 Ancient Greek 11 Hungarian 11 Romanian 11 see all ...

History 11,481 Biography 3,630 Congresses 1,897 Biographies 1,801 Periodicals 1,742 Exhibitions 1,517 Sources 1,514 Early works to 1800 1,510 Maps 1,419 Electronic books 1,257 Catalogs 1,251 Conference papers and proceedings 1,129 Criticism, interpretation, etc 1,113 Bibliography 1,112 Fiction 834 Exhibition catalogs 723 Early works 706 Pictorial works 702 Statistics 551 Guidebooks 505 Bibliographies 495 Correspondence 425 Drama 397 Church history 393 Interviews 390 Military history 345 Dictionaries 323 Poetry 316 Statutes and codes 315 Feature films 273 see all ...

20th century 4,974 1974- 2,284 19th century 2,128 1900-1999 1,623 21st century 1,426 Period of discoveries, 1385-1580 1,231 18th century 1,125 16th century 1,124 1933-1974 1,112 1910-1974 1,041 17th century 919 1800-1899 715 Since 1974 715 Revolution, 1974 712 1816-1826 613 To 1385 506 1889-1970 475 20e siècle 441 Early works to 1800 402 To 1500 370 1900 - 1999 369 2000-2099 354 1385-1580 346 1789-1900 331 John VI, 1816-1826 308 1700-1799 288 1910-1926 285 Spanish dynasty, 1580-1640 277 1500-1599 273 1828-1834 271 see all ...