Sexual knowledge, in plain and simple language; sexology or knowledge of self and sex for both male and female: especially for the instruction of youths and maidens, young wives and young husbands, all fathers and all mothers, school-teachers and nurses, and all others who feel a need of proper and reliable information on sex hygiene, sex problems, and the best way and the best time to impart sexual knowledge to boys and girls about to enter into manhood and womanhood,

At head of title: Sexual education for sex problems: sex hygiene by highest authority.

Four epochs of life : a fascinating story teaching sane sexology.

Mode of access: Internet.

Sexology of the Bible; the fall and redemption of man, a matter of sex.

Mode of access: Internet.

Medical life.

Some issues have also distinctive titles.

Beiträge zur Aetiologie der Psychopathia sexualis.

Includes bibliographical references and indexes.