00636cam a22002171 4500 agr28001492 DLC 20260227110948.0 781106s1928 enka b 001 0 eng c agr28001492 (OCoLC)4349450 Library, U. S. Dept. of Agriculture GAT DLC premarc TS1542 .B24 Balls, William Lawrence, 1882- Studies of quality in cotton, by W. Lawrence Balls. London, Macmillan, 1928. xxvii, 376 p. plates, diagrs. 23 cm. "General references": p. xxi. Cotton. 9215 9215