This is a letter from Mrs. W.H. Norton to Dr. Keyes, thanking him for his tribute on the life and work of her deceased husband in the Proceedings of the Iowa Academy of Sciences.
This is part of an article by Charles Keyes comparing alliteration and rime in the English and German languages from the Proceedings of the American Philology Association, v. xxxiii, 1902
This article, written in 1903 in the Proceedings of the American Philological Association, discusses the history of the auxiliary verb in the German language.
This 19 page essay by Keyes outlines what he considers to be the best way to teach students to read moderately difficult German in the second year of instruction.
This commencement speech was originally given by Dr. Charles Reuben Keyes to the Student Body of Cornell College in the Senior Chapel on May 29, 1941. The text was read by Rev. Richard Thomas at Cornell's anniversary convocation on March 30, 1978.…