"George D. Herron in the 1890s: A New Frame of Reference for the Study of the Progressive Era," by Robert M. Cruden. Annals of Iowa, Volume 42, No. 2, Fall 1973.
"Radical on the Campus: Professor Herron at Iowa College, 1893-1899" by H.R. Dietrich. Annals of Iowa Volume 37, No. 6, Fall 1964.
Artcile from "History of Nebraska"
Biographical Information: George Herron
Brown, William T. "George D. Herron: The Tragedy of Conscious"
Published in "The Arena"
Clippings - Herron Commencement Address at University of Nebraska
Collection of Clippings on Herron Affair, Unsorted
Conard, L.M. Notes on George D. Herron
Congregational Church Materials on Herron
Correspondence (10 letters), 1894-1943
Correspondence and Notes (from L.F. Parker)
Divorace and Remarriage, Folder 1