United States census of agriculture, 1954: Special reports; prepared tinder direction of Ray Hurley, chief, Agriculture Division, v. 3, pt. [Prepared in cooperation with Agricultural Research Service, Agriculture Dept.]. 9. Farmers and farm production in United States (cooperative report); chap. 1, Wheat producers and wheat production, characteristics of farmers and farm production, principal types of farm, [prepared by A. W. Epp; edited by Caroline B. Sherman].