1. 1. Interim Report of Departmental Committee on Maternal Mortality and Morbidity, 1930 , lxxxi , 113, 116, 119, 71, 59.
2. 2. Pitcairn, Robert. "Ancient Criminal Trials in Scotland ," 1833 , vol. i , Pt. 3, 252 .
3. 3. Seventh Annual Report of the British College of Obstetricians and Gynaecologists, 1935 , 83 .