Copyright © 1979 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
Lendt, David L. "J. N. "Ding" Darling: the Formative Years." The Annals of Iowa 45 (1979), 123-134.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol45/iss2/4