1. Psychosomatic Methods in Painless Childbirth: History, Theory and Practice;Chertok,1959
2. The Experience of Childbirth;Kitzinger,1972
3. Communications: Dimensions in Childbirth Education;Edwards,1976
4. childbirth Without Fear: The Principles and Practice of Natural childbirth;Dick‐Read,1959
5. Childbirth Without Pain;Vellay,1959