Reference
- Radcliffe W. (1997) Milestones in Midwifery. Bristol, John Wright & Sons.
- Royal College of Obstetricians and Gynaecologists (RCOG) (1989) The First 60 years. London, RCOG.
- Speert H. (1994) Birth scenes. In: Obsterics and Gynaecology: a history and iconography, 2nd edn, pp. 79–146. San Francisco, Norman Publishing.