1. Birch, C. L. (1937). “Haemophilia. Clinical and genetic aspects.”Ill. Med. Dent., Monogr. 1, 4 (Urbana, Ill.).
2. Bulloch, W. &Fildes, P. (1911). “Haemophilia.”Treas. Hum. Inherit. Partsv andvi.
3. Haldane, J. B. S. (1935). “The rate of spontaneous mutation of a human gene.”J. Genet. 31, 317–26.
4. Hogben, L. T. (1931).Genetic Principles in Medicine and Social Science. London.
5. Mendel, G. (1865). “Versuche über Pflanzenhybriden.”Verh. naturf. Ver. Brünn,4, 3–47.