By Bennett, Hugh Hammond.
Washington, D.C. Tropical Plant Research Foundation 1928 .
6 p. b., xv-xxiv, 410 p. , "Soil map of Cuba" and a "Key to the principal soils of Cuba" are in a separate case. | "A cooperative project between the Bureau of Soils, U.S. Department of Agriculture and the Tropical Plant Research Foundation, published with the aid of the Cuba Sugar Club, Havanna."

By Gill, Tom.
[Washington, D.C.] Tropical Plant Research Foundation, in cooperation with the Charles Lathrop Pack Forestry Trust 1931 .
xix, 317 p., [82] leaves of plates , "This edition is limited to one thousand numbered copies of which this is no. ..." 23 cm..