11. Hay. Handbook of official hay standards, official hay and straw standards of United States as established and promulgated by Secretary of Agriculture, Important features of United States hay and straw standards, important features of Federal hay and straw Inspection. Bookmark Corporate/Agency Authors: Agricultural Economics Bureau and Agriculture Department Publisher: Agricultural Economics Bureau Date: Revised, effective Jan. 2, 1933. 1932 SuDoc number: A 36.25:H 32/932