http://dewey.info/scheme/edition/e23/ en
155.9 Environmental psychology
155.93 Influence of specific situations
155.935 Catastrophic disasters 155.936 Accidents 155.937 Death and dying
http://dewey.info/scheme/edition/e22/ de
155.9 Ă–kologische Psychologie
155.93 Einfluss einzelner Situationen
155.935 Katastrophen 155.936 Unfälle 155.937 Tod und Sterben
Dewey Decimal Classification
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