Title: A new system of midwifery, in four parts; founded on practical observations: the whole illustrated with copper plates.
Authors: Johnson, Robert Wallace, 1719 or 1720-
Publisher: Printed for the author; and sold by D. Wilson and G. Nicol,
Subjects: Obstetrics; Childbirth; Pregnancy; Labor (Obstetrics); Women Diseases; Midwifery; Reproductive and Urinary Physiological Phenomena