This article is a tribute to Charles Keyes and all his accomplishments during the past 80 years of his life. The article is from the Mount Vernon Hawkeye-Record and the Lisbon Herald
This is a list of 38 publications spanning 1893 through 1951 by Charles Rueben Keyes compiled by Dr. J. Harold Ennis in the Journal of the Archeological Society, vol 1, No. 2, January 1952
This is a newspaper obituary for Charles Reuben Keyes who died July 23, 1951. The articles was in the Mount Vernon Hawkeye, vo. lxxxi, number 40, July 26, 1951, page 1.
This newspaper article from the Des Moines Tribune features Dr. Charles Reuben Keyes, 76, state archaeologist for 25 years, has 160, 000 specimens, collected and cataloged for easy reference. They include 30 private collections which were given to…