Books by J. R. Douglass:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Douglass, J. R. (James Robert): The Mexican bean beetle in Idaho and the West (University of Idaho, College of Agriculture, 1965), also by R. W. Portman (page images at HathiTrust)- Douglass, J. R. (James Robert): A mobile insect-collecting trap (U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by E. H. Bean and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Douglass, J. R. (James Robert): A revolving plant cage for use in insect selectivity studies (U.S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1939), also by Joseph A. Gillett and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
- Douglass, J. R. (James Robert): Western bean cutworm and its control (University of Idaho, College of Agriculture, 1955), also by K. E. Gibson and R. W. Portman (page images at HathiTrust)
Find more by J. R. Douglass at your library, or elsewhere.