The U.S. Forest Service: research, state forestry and FAO : and related material, Edward I. Kotok; tape recorded interview conducted by Amelia R. Fry in 1963-1964. Regional Oral History Office, The Bancroft Library, University of California, Berkeley, California, 1975 :
Bancroft Library. Regional Oral History Office.
Kotok, E. I.
Show, S. B.
Food and Agriculture Organization of the United Na
Forests and forestry
School of Forestry
University of California, Berkeley