306.7 Sexuelle Beziehungen
306.77 Sexualpraktiken und verwandte Praktiken
306.77086642 Homosexuelle Männer--Sexualpraktiken 306.772 Masturbation 306.774 Oralsex 306.775 Sadismus 306.776 Masochismus 306.778 Transvestitismus
Dewey Decimal Classification
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