1. Postal survey on airborne occupational exposure and respiratory disorders in Norway: causes and consequences of non-response.
2. , , , . (1964): Occupational health study of the asbestos products industry in the United States. Presented at the Caën Congress on Asbestosis, Caën, France, May.
3. Department of Employment—Employment Medical Advisory Service. (1974): A study of asbestos workers. Occasional paper No. 3, London.
4. (1959): Retrospective and prospective studies. In (ed): “Medical Surveys and Clinical Trials.” New York Oxford University Press, pp 64–90.