- Resources for the Future (11)
- Kneese, Allen V. (2)
- Boulding, Kenneth Ewart, 1910- (1)
- Clawson, Marion, 1905- (1)
- Colorado State University (1)
- Fisher, Anthony C. (1)
- Haefele, Edwin T. (1)
- Herfindahl, Orris C. (Orris Clemens), 1918- (1)
- Jarrett, Henry (1)
- Johnson, Glenn Leroy, 1918- (1)
- Krutilla, John V. (1)
- Landsberg, Hans H. (1)
- Latin American Institute for Economic and Social Planning (1)
- Löf, George O. G. (1)
- Quance, C. Leroy (1)
- Ruttan, Vernon W., 1924- (1)
- Smith, Stephen C. (1)
- Western Resources Conference (1)