Handbook of United States grades for milled rice, as revised, effective February 1, 1927.
Comp. by E. G. Boerner...W. D. Smith...[and] R. M. Gehl.
- Washington, Govt. Print. Off., 1927.
- ii, 38 p. incl. illus., tables. 16 cm.
At head of title: U.S.G.S.A.-G.I. Form no. 173... U.S. Department of Agriculture. Bureau of Agricultural Economics.