Omtvedt, I. T. (1967). "Review of Modern Developments in Animal Breeding by I. Michael Lerner and H. P. Donald". The Quarterly Review of Biology. 42 (4): 539–539. doi:10.1086/405535. ISSN0033-5770.
Donald, H. (1932). An investigation into the inheritance of certain characters in some wheat crosses in New Zealand, and into the relation between grain colour and grain quality, with an examination of the methods of testing for quality in wheat (Masters thesis). Research@Lincoln, University of Canterbury. hdl:10182/14361.
Omtvedt, I. T. (1967). "Review of Modern Developments in Animal Breeding by I. Michael Lerner and H. P. Donald". The Quarterly Review of Biology. 42 (4): 539–539. doi:10.1086/405535. ISSN0033-5770.