1. (1968) The Irish Countryman. London: MacMillan Press.
2. (1965) The Population of Orkney. Kirkwall, Orkney: The Kirkwall Press.
3. , and (1973) Demographic and genetic studies in the Orkney Islands. In and , (eds): Genetic Variation in Britain. London: Taylor and Francis, Ltd., pp. 109–128.
4. Neighbourhood knowledge and the distribution of marriage distances
5. and (1980) Mate choice and marriage in Sanday Orkney Islands. In and , (eds): Genealogical Demography. New York: Academic Press, pp. 197–207.