1. Atherly, Alan, Jack Girton, and John McDonald. 1999. The Science of Genetics. Fort Worth, TX: Saunders College Publishing.
2. Bateson, William. 1902. Mendel’s Principles of Heredity: A Defence. Cambridge: Cambridge University Press.
3. ———. 1909. Mendel’s Principles of Heredity. Cambridge: Cambridge University Press.
4. Blomberg, C.A. 1872. Om Hybridbildning Hos de Faneroganma Vaxterna. Stockholm University.
5. Bowler, Peter J. 1989. The Mendelian Revolution: The Emergence of Hereditarian Concepts in Modern Science and Society. London: The Athlone Press.