Mail order prospectus for 'Anthropologic studies in the strange sexual practices of all races in all ages, ancient and modern, oriental and occidental, primitive and civilized' by Dr. Iwan Bloch, physician of diseases of the sexual system, Charlottenburg, Berlin. Dr. Bloch was also the author of 'Sexual life of our time', 'origin of syphilis', and 'Marquis de Sade'. The work was translated from the German by Keene Wallis and printed by Blackfriars Press. The prospectus gives more information on some of the strange sexual practices discussed, including savage lesbian love, obscene cults, modern apparatus and pleasure expedients, sexual magic, and more. On the verso of the prospectus is a form to fill out to have the book mailed to you, with a note that only mature students of anthropology, sociology and allied subjects need apply.