150.9 Historical, geographic, persons treatment
150.92 Psychologists vi
150.9 Lịch sử, địa lý, con người
150.92 Nhà tâm lý học it
150.9 Storia, geografia, persone
150.92 Psicologi en
150.9 History, geographic treatment, biography
150.92 Psychologists de
150.9 Geschichte, geografische Behandlung, Biografien
150.92 Psychologen
Dewey Decimal Classification
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