Copyright © 1994 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
Kleinman, Mark L. "Searching for the "Inner Light": the Development of Henry A. Wallace's Experimental Spiritualism." The Annals of Iowa 53 (1994), 195-218.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol53/iss3/2