1. Brewbecker, J L, and Keim, W F. 1953. A fertile interspecific hybrid in Trifolium. Am Nat, 87, 323–326.
2. Coop, I E. 1940. Cyanogenesis in white clover (Trifolium repens L.). III. A study of lina-marase, the enzyme which hydrolyses lotaustralin. N Z J Sci Tech, 22, 71B–83B.
3. Corkill, L. 1940. Cyanogenesis in white clover (Trifolium repens L.). I. Cyanogenesis in single plants. NZ J Sci Tech, 22, 65B–67B.
4. Corkill, L. 1942. Cyanogensis in white clover (Trifolium repens L.). V. The inheritance of cyanogensis. N Z J Sci Tech, 23, 178B–193B.
5. Corkill, L. 1952. Cyanogenesis in white clover (Trifolium repens L.). VI. Experiments with high glucoside, and glucoside-free strains. NZJ Sci Tech, 34, 1A–16A.