1. Balls, W.L. (1919) The Cotton Plant in Egypt. MacMillan and Co., London.
2. Barroso, P.A., Batisita, C.E., Hoffman, L.V. and Ciampi, A.Y. (2006) Genetic structure and in situ conservation of natural populations of Gossypium mustelinum. Int. Cotton Genome Initiative Res. Conf. Brasilia, Brazil.
3. Brown, C.H. (1953) Egyptian Cotton. Leonard Hill Ltd., London.
4. Brown, H.B. (1938) Cotton. McGraw-Hill, New York.
5. Constable, G. (2007) Program Leader, Cotton Management and Improvement, CSIRO, Australia, personal communication.