Vorwort von Frederick T. Gates in: Thomas Wakefield Goodspeed: A History of the University of Chicago. The First Quarter-Century. The University of Chicago Press, Chicago 1916. Neuauflage. Cambridge Scholars Publishing, 2009, ISBN 978-0-217-77109-2, Textarchiv – Internet Archive
Schreiben Rockefeller vom 13. Dez. 1910 über seine letzte Spende von 10 Millionen $ in 10 Raten beginnend mit dem 1. Januar 1911. In: Goodspeed: The Story of the University of Chicago 1890–1925. University of Chicago Press 1925, S. 179 ff., Textarchiv – Internet Archive
Walter van Brunt: Duluth and St. Louis County, Minnesota. Their Story, Their People. Vol. II, The American Historical Society 1921, S. 727–728, Textarchiv – Internet Archive
