The Online Books Page

Books by R. W. Portman:

Books in the extended shelves:

• Portman, R. W.: 1964 fly control for Idaho dairymen (University of Idaho, College of Agriculture, 1964), also by George W. Cleveland (page images at HathiTrust)
• Portman, R. W.: Idaho potato insect handbook (University of Idaho, College of Agriculture, 1969), also by H. C. Manis (page images at HathiTrust)
• Portman, R. W.: Idaho recommendations for insect control (University of Idaho, College of Agriculture, 1954), also by H. C. Manis (page images at HathiTrust)
• Portman, R. W.: Idaho recommendations for insect control (University of Idaho, Agricultural Experiment Station, 1950), also by H. C. Manis (page images at HathiTrust)
• Portman, R. W.: The Mexican bean beetle in Idaho and the West (University of Idaho, College of Agriculture, 1965), also by J. R. Douglass (page images at HathiTrust)
• Portman, R. W.: Rid your flock of sheep lice for more profit, more satisfaction, better animals (University of Idaho, College of Agriculture, 1962), also by L. H. Scrivner (page images at HathiTrust)
• Portman, R. W.: Western bean cutworm and its control (University of Idaho, College of Agriculture, 1955), also by J. R. Douglass and K. E. Gibson (page images at HathiTrust)

Find more by R. W. Portman at your library, or elsewhere.