- Oregon State College. Federal Cooperative Extension Service5
- Oregon State College. Agricultural Experiment Station4
- Forest Products Laboratory (U.S.)3
- Bouquet, A. G. B. (Arthur George Bristow), 1885 2
- Thomas, Herman la Motte, 1901 2
- Chennoweth, O. V.1
- Haag, J. R. (Joseph Roy), 1896 1
- Harper, James A.1
- Jones, I. R. (Idwal Ralph), 1898 1
- King, Arthur S.1
- Kuenzi, Edward W.1
- Kuhlman, G. W. (Gustav Wesley), 1894 1
- Loe, C. A. (Chester Amos), 1916 1
- Martin, J. Stanley1
- Newcomb, Gerald Titus1
- Norris, Charles, B. (Charles Brazer), 1894 1
- Oregon State Board Of Higher Education1
- Rasmussen, Edmund F.1
- United States. Soil Conservation Service1
- Voorhies, Glenn, 1905 1