- Oregon State University. Extension Service458
- Miles, Stanley6
- Oregon State University. Oregon Agricultural Information Network3
- Oregon State Agricultural College. Agricultural Experiment Station2
- Oregon State University. Extension Economic Information Office2
- Burt, Lawrence A.1
- Coppedge, Robert O.1
- Cornelius, James C. (James Conley)1
- Eleveld, Bartelt1
- Extension Economic Information Office, Department Of Agriculture And Resource Economics1
- Hurd, Edgar Blake, 1899 1
- Judkins, David H.1
- Kearns, Richard S.1
- Miles, Stanley D.1
- Oregon State University. Agricultural Experiment Station1
- Oregon State University. Cooperative Extension Service1
- Oregon State University. Department Of Agricultural And Resource Economics1
- Oregon State University. Department Of Agriculture And Resource Economics1
- Pacific Northwest Forest Experiment Station (Portland, Or.)1
- Scudder, H. D. (Henry Desborough), 1881 1