The Nightless City, p. 125.
Ströhmberg, as quoted by Aschaffenburg, Das Verbrechen, 1903, p. 77.
Monatsschrift für Harnkrankheiten und Sexuelle Hygiene, 1906. Heft 10, p. 460. But this cause is undoubtedly effective in some cases of unmarried women in Germany unable to get work (see article by Sister Henrietta Arendt, Police-Assistant at Stuttgart, Sexual-Probleme, December, 1908).