1. Cytology of the autotetraploid rye;Chin;Botanical Gazette,1943
2. Induced polyploidy in wheat and rye;Dorsey;Journal of Heredity,1936
3. A comparison of the chemical composition of diploid and tetraploid corn;Ellis;Journ. Agric. Res.,1946
4. Seed development after reciprocal crosses between diploid and tetraploid rye;Håkansson;Hereditas,1950
5. The causes of self-sterility in rye;Landes;Amer. Journ. of Botany,1939