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[Subject: Generalities]
Translated by: KATRIN HELD
Translated in 43 languages
[Subject: Biology]
Translated in 28 languages
[Subject: Law]
Translated by: TZUNG-HSIEN CHEN
Translated in 26 languages
Translated in 9 languages
[Subject: Chemistry]
Translated in 2 languages
Translated by: PEZZUOLI CLAUDIO
[Subject: General Geography & History]
Translated by: DAVID LAURENT
Translated in 18 languages