1. Biological consequences of race crossing;Castle;J. Hered.,1922
2. Biological consequences of race crossing;Castle;Amer. J. Physic. Anthrop.,1926
3. Johansson , I. Venge , O. 1953 A study of the variation in weight and in some skeletal characteristics of adult rabbits Kungl. Lantbrukshögskolans Annalcr 19
4. Maternal effect on birth weight in South Devon Dexter cattle crosses;Joubert;Nature,1954