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[Subject: Sciences Of Earth & Worlds]
Translated by: ISAAC SMITH
Translated in 186 languages
[Subject: Generalities]
Translated by: KALIMERO
Translated in 98 languages
[Subject: Mammalia (Mammals)]
Translated in 8 languages
[Subject: Housekeeping]
Translated in 112 languages
[Subject: Physics]
Translated in 44 languages