1. Castle, W. E. “ Heredity of Goat Characters in Guinea-pigs and Rabbits.”Publ. Carnegie Instit., Washington, 1906.
2. -. “Colour-varieties of the Rabbit and of other Rodents.”Science, 1907.
3. - (and others). “ Studies of Inheritance in Rabbits.”Publ. Garnegie Instit., Washington, 1909.
4. Hagedoorn, A. L. “The Genetic Factors in the Development of the House-mouse, &c. ”Zeit. f. ind. Abst. Vererb., 1912.
5. Hurst, C. C. “Experimental Studies on Heredity in Rabbits.”Linn. Soc. Journ. Zool., 1905.