The evolution of G̲o̲s̲s̲y̲p̲i̲u̲m̲ and the differentiation of the cultivated cottons / by J.B. Hutchinson, R.A. Silow and S.G. Stephens. Being the final report. Hutchinson, J.B. Empire Cotton Growing Corporation. Cotton Research Station, Trinidad. Genetics Department. Hutchinson, Joseph Burtt, 1902- Cotton. QK495.G68 E5 633.5 HUE Includes bibliographical references and index. London, New York, Oxford Univ. Press, 1947. 1947. 1947 Text xi, 160 p. : eng