Birch, L. C. (1954). Experiments on the relative abundance of two sibling species.Aust. J. Zool.
Fisher, R. A. (1930).The Genetical Theory of Natural Selection. Oxford: Clarendon Press.
Fisher, R. A. (1931). The evolution of dominance.Biol. Rev.
Haldane, J. B. S. (1937). The effect of variation on fitness.Amer. Nat.
Haldane, J. B. S. (1939). The theory of the evolution of dominance.J. Genet.
Haldane, J. B. S. (1954). The measurement of natural selection.Proc. 9th Int. Congr. Genet. pp. 480–7.
Haldane, J. B. S. (1956a). The relation between density regulation and natural selection.Proc, Roy. Soc. B,145, 306–8.
Haldane, J. B. S. (1956b). The theory of selection for melanism in Lepidoptera.Proc. Roy. Soc. B,145, 303–6.
Haldane, J. B. S. (1956c). The estimation of viabilities.J. Genet.
Karn, N. &Penrose, L. S. (1951). Birthweight and gestation time in relation to maternal age, parity and infant survival.Ann. Eugen.
Kermack, K. A. (1954). A biometrical study ofMicraster coranguinum andM.(Isomicraster) senonensis.Phil. Trans. B,237, 375–428.
Kettlewell, H. B. D. (1956a). A resumé of investigations on the evolution of melanism in the Lepidoptera.Proc. Boy. Soc. B,145, 297–303.
Kettlewell, H. B. D. (1956b). Further selection experiments on industrial melanism in the Lepidoptera.Heredity,10, 287–303.
Lush, J. L. (1954). Rates of genetic change in populations of farm animals.Proc. 9th Int. Gongr. Genet. pp. 589–99.
Nicholson, A. J. &Bailey, V. A. (1935). The balance of animal populations, Part I.Proc. Zool. Soc. Lond., pp. 551–98.
Punnett, R. C. (1932). Eurther studies of Linkage in the Sweet pea.J. Genet.
Renwick, J. H. (1956). Nail-patella syndrome: evidence for modification by alleles at the main locus.Ann. Hum. Genet.
Salisbury, E. (1942).The Reproductive Capacity of Plants. London: Bell.
Simpson, G. G. (1953).The Major Features of Evolution. New York.
Spurway, H. (1953). Genetics of specific and subspecific differences in European newts.Symp. Soc. Exp. Biol. no. VII, Evolution.
Wright, S. (1934). Physiological and evolutionary theories of dominance.Amer. Nat.
Zeuner, E. E. (1945).The Pleistocene Period. London: Ray Society Monograph.