570.9 Historical, geographic, persons treatment
570.92 Biologists vi
570.9 Lịch sử, địa lý, con người
570.92 Nhà sinh học it
570.9 Storia, geografia, persone
570.92 Biologi en
570.9 History, geographic treatment, biography
570.92 Biologists de
570.9 Geschichte, geografische Behandlung, Biografien
570.92 Biologen
Dewey Decimal Classification
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