Know your butter grades
Series: Leaflet / United States Department of Agriculture -- no. 264; Leaflet (United States. Dept. of Agriculture) -- no. 264.
Publisher: U.S. Dept. of Agriculture
Published: 1956
Place of publication: Washington, D.C
Language: eng
Subjects: Butter; Grading
Notes: "Revised February 1956"--P. [4].