1. Thompson B. C. (1939). Personal Communication.
2. Report of Department of Local Government and Public Health for Eire for 1937. Dublin: Government Stationery Office.
3. National Tuberculosis Association (1933). Report of the Tyneside Inquiry, quoted by Hutt, C. W. & Thomson, H. H., Principles and Practice of Preventive Medicine (1935).
4. Interdepartmental Committee (1928). Report on Milk Supply. Government Publications Office, Dublin.