1. The secrets of generation: comprising the art of procreating the sexes at will, of begetting sound and vigorous infants, &c. &c. : with directions for self-management in sexual and venereal diseases Author(s): Ryan, Michael, 1800-1841 Publication: New York : Douglass, 1844 Subject(s): ReproductionErectile DysfunctionSexually Transmitted Diseases
2. The philosophy of marriage, in its social, moral, and physical relations: with an account of the diseases of the genito-urinary organs, which impair or destroy the reproductive function and induce a variety of complaints : with the physiology of generation in the vegetable and animal kingdoms : being part of a course of obstetric lectures delivered at the North London School of Medicine, Charlotte Street, Bloomsbury, Bedford Square Author(s): Ryan, Michael, 1800-1841 Publication: Philadelphia : Barrington and Haswell, 1848 Subject(s): MarriageFemale Urogenital DiseasesMale Urogenital DiseasesReproduction