Ostervald, J. F. (Jean Frédéric), 1773-1850. Discourse concerning the nature of chastity, and the means of obtaining it.

The nature of uncleanness consider'd : wherein is discoursed of the causes and consequences of this sin, and the duties of such as are under the guilt of it : to which is added a discourse concerning the nature of chastity, and the means of obtaining it / by J.F. Ostervald (minister of the Church of Neufchâtel, author of a Treatise of the causes of the present corruption of Christians, a catechism, &c.).