1. Two new mutant genes in the house mouse;Grüneberg;J. Genet,1943
2. A polydactyl gene in mice capable of nearly regular manifestation;Holt;Ann. Eugen., Lond,1945
3. Polydactylism in mice;Murray;Science,1932
4. Polydactylism in mice;Murray;Anat. Rec,1933