Prospectus for 'An epoch-marking double erotic masterpiece...the Marquis de Sade's anthropologia sexualis of 600 perversions 120 days of Sodom or the school for libertinage and sex life of French age of debauchery from private archives of the French government by Dr. Iwan Bloch.' The 120 days of Sodom was an unfinished draft manuscript by the Marquis de Sade that was rediscovered in 1904. The book is limited to purchase by 'subscription - most rigidly restricted - to serious cultured adults'.

Prospectus for 'A profusely illustrated study of the world's strangest erotic ritual and the technique of sexual behavior among primitive and sexual races; anthropology of tribal esoterica and psychology of passion fully described in an interesting manner by Dr. Felix Bryk author of Voodoo Eros. Circumcision in man and woman. Illustrated with over 75 rare and unique photographs. Reproducing savage sexual practices and strange erotic operations.' The prospectus indicates that some of the topics covered include ethnological erotic data, the prepuce in erection and coitus, and erotic customs. The verso of the prospectus indicates that the book is only to be sold to doctors, lawyers, and adult students of the social sciences.

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.

A collection of 23 prospectus, mail order catalogues, and subscription requests for erotic books. The prospectus are couched in the terms of literature, anthropology and sexology in attempts to disguise the erotic nature of the works.

Prospectus for 'the whole amazing record and fascinating account of the mysteries of flagellation...the weird sexual and mystic practices of whipping! We take pleasure in announcing the publication of one of the most extraordinary human documents ever written. The greatest psychological autobiography of the century. Merry order of St. Bridget by Margaret Anson. Personal recollections of the use of the rod, being the 'well of loneliness of flagellation' complete and unexpurgated.' The story is that of a maid who is initiated into a 'secret order of flagellants.' The purchase of the book was restricted to adult members of the learned professions and mature students of sexology and curiosa.

Catalogue no. 7, summer issue from Private Press Publishers, 21 east 17th Street, New York City. The catalogue advertises their sensational book sale, of books which are 'the finest in the exotic and curious field'. Almost all of the books advertised are erotica, some disguised as sociology.

Prospectus for 'Sex habits a vital factor in well-being by A. Buschke, M.D. and F. Jacobsohn, M.D. specializing physicians to the great continental Rudolf-Virchow Hospital. Foreword by Gerard L. Moench, M.D. Associate Professor of Gynecology, New York Post Graduate Hospital, Columbia University.' Some subjects included in the book are: value of regular sex, sex impulse, and sex dangers.

Prospectus for 'A book for mature collectors of literary curiosa. Strange loves, a study in sexual abnormalities by La Forest Potter, M.D. Late member of the New York County Medical Society, Massachusetts Medical Society, Boston Gynecological Society, Associate Professor of Rhinology, Laryngology, and Otology, New York School of Clinical Medicine, Surgeon Malden Hospital. The book makes reference to "twilight men and women" which appears to be a euphemism for homosexuals. The purchase of the book is limited to adults only.

Prospectus for 'Tale of the '90's by Henry Von Rhau, a naughty tale uproarious and saucy as Mark Twain's 1601.' The book follows the lives of the three daughters of Judge and Mrs. Hoar and promises to revive in the reader 'the care-free abandon of the glorious nineties'. The prospectus also warns that only the initiated reader, who is rugged in literary taste will be able to handle the delectations of this book.

Prospectus for 'The abuses, abberrations [aberrations], and crimes of the genital sense, done into English direct from the original manuscript of Dr. Jacobus X...French army surgeon and author of: 'untrodden fields of anthropology', ;ethnology of the sixth sense', 'genital laws', etc. etc. The book is apparently endorsed by Havelock Ellis and includes such topics as: on onanism in general; azoophilism; and erotomania among others. The sale of the book was limited to adult students of the sciences or physicians, lawyers and anthropologists.

Prospectus for 'World's greatest authority on esoteric anthropology lays bare in the ONLY complete authentic esoteric treasury. The erotikon. The 1001 strangest sexual and amatory curiosa in the erotic life of men and women across the ages. Unexpurgated, amazingly illustrated, by Doctor Augustin Cabanes France's greatest sexual anthropologist: author of 60 previous esoteric manuscripts.' Topics in the book include astonishing sexual freaks, strange arts of love and 1001 other amatory curiosa. The book is limited to be sold only to mature students of anthropology, sociology and allied subjects.

Prospectus for 'The only complete and authentic work on the erotic-life in the Orient...the scented garden anthropology of the art of love in the Levant. Rare and secret facts of love. For the first time published in English. Illustrated with photographs of feminine beauty taken from life in Asia-Minor, Arabia, Persia, Egypt, India, Japan et cetera by Stratz, Krauss and a host of others. Complete and unexpurgated edition limited to 600 numbered copies.' The book is to be sold only to 'physicians, lawyers and adult students of sexual-anthropology.'

Prospectus for 'a frank book...Doctor Caufeyon's unisexual love, a documentary study of the sources, manifestations, the pgysiology and psychology of sexual perversions in the two sexes'. In this work, unisexual love is a term for homosexuality. The prospectus notes that the book was originally suppressed in France and is sold only to 'advanced students of psychopathia sexualis'.

Prospectus for 'Sadism and masochism in life, literature and art, and unisexual love by Dr. Caufeynon'. Sadism and masochism in life, literature and art was written by Dr. Eulenburg. Unisexual love is the term used in this publication for homosexuality.

Prospectus for 'Venus and Adonis, concerning the loves of Catherine the Great, by Leopold von Sacher-Masoch author of 'venus in furs.' The book is recommended only for adults who are interested in unusual, sophisticated literature.

Prospectus for 'Voodoo-Eros, ethnological studies in the sex-life of the African Aborigines, by Felix Bryk, translated from the German by Mayne R. Sexton"

Prospectus for 'Voodoo-Eros, ethnological studies in the sex-life of the African Aborigines, by Felix Bryk, translated from the German by Mayne R. Sexton." The contents propose to be a scientific study of the sex lives of those in equatorial Africa.

Prospectus for 'Woman as a sexual criminal by Eric Wulffen, M.D. Director of Penal Institutes and the Minister of Probation in Saxony. Author of 'criminal psychology; the sexual criminal; the sexual mirror of art and crime, etc. Complete and unexpurgated, over 500 pages, fully illustrated with unique photographs from the secret archives of the German police, hundreds of cases.' Contents include female swindlers and cheats, female homosexuality, murder of husband, and more. The book is only to be sold to doctors and lawyers.