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[Subject: Chronology (Time)]
Translated by: MARCO PRADELLI
Translated in 90 languages
Translated by: GIBELLINI MORGAN
Translated in 29 languages
[Subject: Structural Systems (Grammar)]
Translated by: DAVID LAURENT
Translated in 20 languages
[Subject: Sciences Of Earth & Worlds]
Translated by: GUEST USER
Translated in 18 languages
[Subject: Medical Sciences, Medicine]
[Subject: Music]
Translated by: ALESSANDRO ZIGNANI
Translated in 6 languages
Translated by: SIBILLA CUOGHI
Translated in 53 languages
[Subject: Generalities]
Translated in 15 languages