1. Epigenetic polymorphism in wild populations of Mus musculus
2. 1968 The biology of non-metrical variation in mice and men: In: The Skeletal Biology of earlier Human Populations. ed. Pergamon Press, Oxford, pp. 103–133.
3. 1963 The Pathology of Development. A Study of Inherited Skeletal Disorders in Animals. Blackwell Scientific Publications, Oxford.