Sufia Kamal National Public Library Online Search for 'Provider:Dept. of agriculture,'

Section Tuberarium of the genus Solanum of North America and Central America /

By Correll, Donovan Stewart.. Washington D.C. : U.S. Dept. of Agriculture, 1952 . 243 p. ; , Includes index. 23 cm..

By Doss, Mildred A. . United states : Dept. of agriculture, 1969 . v, 377 p. ; 24 cm. .

Washington : U.S. Dept. of Agriculture, 1954 . vii, 160 p. : 28 cm..