1. A manual of obstetrics Author(s): Hirst, John Cooke, 1875- author Publication: Philadelphia : W.B. Saunders Company, 1924 Subject(s): ObstetricsDelivery, ObstetricPregnancy Complications -- prevention & control
2. Obstetrics: a text-book for the use of students and practitioners Author(s): Williams, J. Whitridge (John Whitridge), 1866-1931, author Publication: New York : D. Appleton and Company, 1924 Subject(s): ObstetricsPregnancy -- physiologyPregnancy Complications