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  1. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1977
    Holding Institution: University Library, University of Illinois Urbana Champaign
  2. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1978
    Holding Institution: University Library, University of Illinois Urbana Champaign
  3. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1979
    Holding Institution: University Library, University of Illinois Urbana Champaign
  4. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1981
    Holding Institution: University Library, University of Illinois Urbana Champaign
  5. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1982
    Holding Institution: University Library, University of Illinois Urbana Champaign
  6. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1983
    Holding Institution: University Library, University of Illinois Urbana Champaign
  7. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1984
    Holding Institution: University Library, University of Illinois Urbana Champaign
  8. By: Randell, Roscoe. - Miller, Frederic. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, 1986
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: McGlamery, M. D. (Marshal D.) - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1987]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  10. By: Curran, W. S. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: [Urbana, Ill.], : University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, Oct. 1989
    Holding Institution: University Library, University of Illinois Urbana Champaign
  11. By: Henn, Tess. - Weinzierl, Richard A. - University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, Office of Agricultural Entomology, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, in cooperation with the Illinois Natural History Survey, [1990]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  12. By: Curtin, Theodore W. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: [Urbana, Ill.], University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1989]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  13. By: Albert, Waco W. - Kline, Kevin H. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Edition: Rev. Feb. 1987.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1987]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  14. By: Henn, Tess. - University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Illinois Cooperative Extension, [1991]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  15. By: Albert, Waco W. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, 1974
    Holding Institution: University Library, University of Illinois Urbana Champaign
  16. By: Courter, J. W. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Edition: Rev. April, 1981.
    Publication info: [Urbana, Ill.], University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1981]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  17. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1990]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  18. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1992]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  19. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1994]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  20. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences, Dept. of Crop Sciences, University of Illinois Extension, 1998
    Holding Institution: University Library, University of Illinois Urbana Champaign
  21. By: Uchtmann, Donald L. - Gehris, Bernard. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, Cooperative Extension Service, [1997]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  22. By: Uchtmann, Donald L. - Rolf, David - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, College of Agriculture, University of Illinois at Urbana-Champaign, Cooperative Extension Service, [1991]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  23. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - University of Illinois at Urbana-Champaign. Dept. of Forestry.
    Publication info: Urbana, Ill, Dept. of Forestry and the Cooperative Extension Service, University of Illinois at Urbana-Champaign, 1983-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  24. By: Weinzierl, Richard A. - Illinois. Natural History Survey Division - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, Office of Agricultural Entomology, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1990]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  25. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, college of Agriculture, Cooperative Extension Service, 1976-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  26. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, [1985]-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  27. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, 1976-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  28. By: University of Illinois at Urbana-Champaign. College of Agriculture. - Illinois. Natural History Survey Division - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, Cooperative Extension Service, University of Illinois, [19--]-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  29. By: Gentry, David A. - Nixon, Philip. - Illinois. Natural History Survey Division - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service in cooperation with Illinois Natural History Survey, 1981
    Holding Institution: University Library, University of Illinois Urbana Champaign
  30. By: Powell, Dwight. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, University of Illinois, College of Agriculture, [1973]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  31. By: Lloyd, John. - International Society of Arboriculture. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: [Urbana, Ill.], Cooperative Extension Service, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, c1997
    Holding Institution: University Library, University of Illinois Urbana Champaign
  32. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, Cooperative Extension Service, University of Illinois at Urbana-Champaign, 1981-
    Holding Institution: University Library, University of Illinois Urbana Champaign
  33. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, [196-] - 1974
    Holding Institution: University Library, University of Illinois Urbana Champaign
  34. By: University of Illinois at Urbana-Champaign. Cooperative Extension Service. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Cooperative Extension Service, [196-] - 1974
    Holding Institution: University Library, University of Illinois Urbana Champaign
  35. By: McGlamery, M.D. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service,
    Holding Institution: University Library, University of Illinois Urbana Champaign
  36. By: Knake, Ellery L. - University of Illinois at Urbana-Champaign. Cooperative Extension Service.
    Publication info: Urbana, Ill, Cooperative Extension Service, University of Illinois at Urbana-Champaign, [1990]
    Holding Institution: University Library, University of Illinois Urbana Champaign