1931. "Large 8vo. 222pp. [+ 25-plate Bildatlas], lists of color plates and gravures, illustrated with photos and art in b/w and color, including 14 color plates and 8 photo-gravures. A study of sexual morality in marriage and infidelity (including lesbianism). Photos by Manasse, Heinz von Perckhammer, Margit Toth, F. Korber, etc. Art by Fritz Burger, Willibald Krain, A. Szekely, Vala Moro, George Grosz, etc. Bildatlas features 25 duotone and color plates: graphs and charts, photos, anatomical illustrations. Text in German." Orange cloth, decorated in gold.