• publisher: Urbana : State of Illinois, Dept. of Registration and Education, Natural History Survey Division
  • creator: Illinois. Natural History Survey Division
  • contributor: Illinois. Natural History Survey Division.
  • Keyword: Natural history. Natural history Illinois. Sciences naturelles Collections.
  • years: 1918-1985.
  • pages: 21 v. :
  • class: QH1
  • isbn: 0073-4918
  • download: pdf file