1. The development of nurse-midwifery education in the United States;Hiestad,1978
2. Midwifery and childbirth in America;Rooks,1997
3. The midwife throughout history;Litoff;J Nurse Midwifery,1982
4. Midwives, male-midwives, and nurse-midwives;Stern;Obstet Gynecol,1972
5. The practice of nurse-midwifery in the United States;Thomas,1965