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Bulletin 13 (1918- 1921)

Parts

  1. By: Van Cleave, Harley Jones,
    Type: Article
    In: Bulletin
    Volume: 13
    Date: 1919-07
    Page Range: 226--257
    Publication info: Urbana State of Illinois, Dept. of Registration and Education, Natural History Survey Division 1918-1985
  2. By: Sampson, H. C. (Homer Cleveland),
    Type: Article
    In: Bulletin
    Volume: 13
    Date: 1921-08
    Page Range: 523-577
    Publication info: Urbana State of Illinois, Dept. of Registration and Education, Natural History Survey Division 1918-1985