Vol. for 1919 has title: Handbook, official grain standards for wheat, shelled corn, and oats.
"Tabulated and abridged description of the official grain standards of the United States as established and promulgated by the Secretary of Agriculture: for wheat, as revised ... for shelled corn, as revised ... for oats, effective ..." (varies).
Issued also as U.S.G.S.A. form no. 90.
Compiled by the Grain Supervisor.
Description based on: 1922.
Issued <1918>-1919 by the U.S. Dept. of Agriculture, Bureau of Markets; 1922 by the U.S. Dept. of Agriculture, Bureau of Agricultural Economics.