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  1. By: Graber, Jean W. (Jean Weber), - Graber, Richard R. (Richard Rex), - Kirk, Ethelyn L. - Illinois. Natural History Survey Division.
    Publication info: Champaign, Ill. :State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division,[1987]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  2. By: Graber, Jean W. (Jean Weber), - Graber, Richard R. (Richard Rex), - Kirk, Ethelyn L.
    Publication info: Urbana :State of Illinois, Dept. of Registration and Education, Natural History Survey Division,1977.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  3. By: Graber, Jean W. (Jean Weber), - Graber, Richard R. (Richard Rex), - Kirk, Ethelyn L.
    Publication info: Champaign, Ill. :State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division,[1985]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  4. By: Graber, Jean W. (Jean Weber), - Graber, Richard R. (Richard Rex), - Kirk, Ethelyn L.
    Publication info: Urbana :State of Illinois, Dept. of Registration and Education, Natural History Survey Division,1983.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  5. By: Graber, Jean W. (Jean Weber), - Graber, Richard R. (Richard Rex), - Kirk, Ethelyn L.
    Publication info: Urbana :State of Illinois, Dept. of Registration and Education, Natural History Survey Division,1978.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  6. By: Graber, Richard R. (Richard Rex), - Graber, Jean W. (Jean Weber), - Kirk, Ethelyn L.
    Publication info: Urbana :Illinois Natural History Survey,1972.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  7. By: Graber, Richard R. (Richard Rex), - Graber, Jean W. (Jean Weber), - Kirk, Ethelyn L.
    Publication info: Urbana,State of Illinois, Natural History Survey Division,1970.
    Holding Institution: University Library, University of Illinois Urbana Champaign