Proceedings of the Indiana Academy of Science

Esten, Sidney R.

• Vol 34 (1924) - Papers on Botany, Bacteriology, Zoology, and Entomology
  Observations on Summer Birds of Winona Lake, with a List of Species
  Details  PDF
• Vol 34 (1924) - Papers on Botany, Bacteriology, Zoology, and Entomology
  A Comparative Study of the Nest Life of the Towhee, Meadow Lark and Rose-Breasted Grosbeak
  Details  PDF
• Vol 40 (1930) - Papers on Zoology
  Birds of Greene and Noble Counties
  Abstract  PDF
• Vol 39 (1929) - Papers--General
  History and Results of Nature Guiding in Indiana State Parks
  Abstract  PDF
• Vol 37 (1927) - Papers--General
  Nature Guiding at Turkey Run State Park
  Abstract  PDF
• Vol 37 (1927) - Papers on Geology, Geography, and Archaeology
  Copper Nugget Found at Turkey Run
  Abstract  PDF
• Vol 35 (1925) - Papers on Zoology and Entomology
  Further Notes on Summer Birds of Winona Lake
  Abstract  PDF
• Vol 40 (1930) - Papers on Zoology
  Four Rare Species of Birds in Indiana in 1930
  Abstract  PDF
• Vol 36 (1926) - Papers--General
  Teaching Conservation in Indiana
  Abstract  PDF