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English 368,389 French 57,893 Spanish 53,611 German 50,090 Russian 27,498 Chinese 26,958 Italian 21,927 Japanese 19,743 Arabic 12,336 Portuguese 10,396 Korean 7,133 Indonesian 5,972 Polish 5,945 Dutch 5,071 Turkish 4,018 Swedish 2,908 Latin 2,772 Hebrew 2,497 Persian 2,453 Greek 2,132 Ukrainian 2,099 Czech 1,811 Vietnamese 1,660 Croatian 1,636 Danish 1,422 Hungarian 1,346 Romanian 1,280 Hindi 1,234 Bulgarian 1,218 Thai 1,105 see all ...

History 63,029 Electronic books 35,382 Congresses 24,980 Periodicals 21,408 Conference papers and proceedings 17,154 Sources 10,574 Biography 9,127 Case studies 7,201 Statistics 6,351 Early works to 1800 5,740 Dictionaries 5,610 Biographies 5,199 Directories 4,426 Handbooks, manuals, etc 4,337 Academic theses 4,269 Bibliography 2,986 Handbooks and manuals 2,884 Registers 2,793 Early works 2,714 Treaties 2,039 Thèses et écrits académiques 2,018 Academic Dissertation 1,848 Interviews 1,633 Aufsatzsammlung 1,540 Bibliographies 1,431 Registers (Lists) 1,426 Platforms 1,273 Constitution 1,161 Exhibitions 1,144 Criticism, interpretation, etc 1,087 see all ...

20th century 28,018 21st century 21,510 1945- 10,836 1900-1999 10,565 2000-2099 8,920 1989- 6,430 19th century 6,280 Since 1945 5,653 1991- 5,279 1945-1989 3,626 1900 - 1999 3,536 Since 1989 2,913 1980- 2,876 1960- 2,812 1990- 2,763 Since 1991 2,663 21e siècle 2,612 18th century 2,253 2000 - 2099 2,005 20e siècle 1,888 2002- 1,856 1800-1899 1,642 1994- 1,592 Early works to 1800 1,497 Since 1900 1,493 1947- 1,490 1951- 1,449 17th century 1,448 1988- 1,417 1974- 1,363 see all ...

United States 87,406 China 23,703 Great Britain 22,038 Europe 19,880 France 18,042 Germany 16,611 Japan 13,215 India 12,141 Italy 11,836 Soviet Union 10,775 Russia (Federation) 10,260 European Union countries 8,954 Spain 8,424 Mexico 8,304 Latin America 6,600 Indonesia 6,389 Canada 6,331 Africa 5,898 Brazil 5,787 Turkey 5,167 Korea (South) 4,867 Poland 4,644 Germany (West) 4,450 Argentina 4,356 Russia 3,723 Australia 3,591 Colombia 3,479 Greece 3,453 Nigeria 3,443 États-Unis 3,410 see all ...