1. Burd (1926). “Sea Island cotton. Inheritance of corolla colour.”Tropical Agric. iii, No. 3, 1926.
2. Fisher, R. A. (1928).Statistical Methods for Research Workers. 2nd edition, Oliver and Boyd.
3. Fyson, P. F. (1908). “Some experiments in the hybridising of Indian cottons.”Mem. Dept. Agric. India, Bol, Ser. ii, No. 6.
4. Harland, S. C. (1929). “Studies in the inheritance of (a) petal spot, (b) pollen colour, (c) corolla colour in the cotton plant.”Mem. Cotton Research Station,Trinidad, Series A, Genetics, No. 1, 1929. (Reprinted fromJourn, Gen, xx, 1929.)
5. Kearney, T. H. (1923). “Segregation and correlation of characters in an Upland Egyptian cotton hybrid.”U.S. Dept. Agric. Bull. No. 1164, Aug. 1923.