Theodore Henry Frison

1895 – 1945

• A list of the insect types in the collections of the Illinois State Natural History Survey and the University of Illinois
• Fall and winter stoneflies, or Plecoptera, of Illinois
• Records and descriptions of western bumblebees (Bremidae)
• Studies of Nearctic aquatic insects
• Studies of North American Plecoptera
• The conservation research program of the Illinois Natural History Survey
• The stoneflies, or Plecoptera, of Illinois