http://dewey.info/scheme/a14/ en
150 Psychology
150.1 Philosophy and theory
150.19 Systems, schools, viewpoints
http://dewey.info/scheme/a14/ vi
150 Tâm lý học
150.1 Triết học và lý thuyết
150.19 Hệ thống, trường phái, quan điểm
http://dewey.info/scheme/a14/ it
150 Psicologia
150.1 Filosofia e teoria
150.19 Sistemi, scuole, posizioni
http://dewey.info/scheme/edition/e23/ en
150 Psychology
150.1 Philosophy and theory; systems, viewpoints
150.15195 Psychometrics 150.19 Systems, schools, viewpoints
http://dewey.info/scheme/edition/e22/ de
150 Psychologie
150.1 Philosophie und Theorie
150.15195 Psychometrie 150.19 Systeme, Schulen, Richtungen
Dewey Decimal Classification
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