http://dewey.info/scheme/edition/e23/ en
155.3 Sex psychology; psychology of people by gender or sex, by sexual orientation
155.33 Psychology of people by gender or sex
155.332 Men 155.333 Women
http://dewey.info/scheme/edition/e22/ de
155.3 Sexualpsychologie; Psychologie von Personen nach Gender und Geschlecht, nach sexueller Neigung
155.33 Psychologie von Personen nach Gender und Geschlecht
155.332 Männer 155.333 Frauen
Dewey Decimal Classification
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