American Chemical Society
United States. General Accounting Office
C. H. Chalmers
International Dairy Federation
Straus, Nathan
Gerald G. Briggs
Carl F. Miller
Harding, H. A.
S. Henry Ayers
Fraser, Wilber John
L. A. Rogers
A. Hutchison Smee
Unknown Author
Reggie Vaz
United States. Extension Service. Office of Exhibits
Food and Agriculture Organization of the United Nations
Michael I. Gangwer
Bjarne Underdal