1. Women & Childbirth in the Twentieth Century: a history of the National Birthday Trust Fund 1928-93;Williams,1997
2. Hickey NM. Evolution and devolution 1902-1983: milestones in the history of a statutory body. London: Central Midwives Board, 1-12.
3. Report on Public Health and Medical Subjects No. 21: The Training of Midwives;Campbell,1923
4. Women & Childbirth in the Twentieth Century: a history of the National Birthday Trust Fund 1928-93;Williams,1997
5. British College of Obstetricians and Gynaecologists. Investigation into the use of analgesia suitable for administration by midwives. London: BCOG, 1936.