Copyright © 1994 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
Laurie, Clayton D. "Goebbels's Iowan: Frederick W. Kaltenbach and Nazi Short-Wave Radio Broadcasts to America, 1939-1945." The Annals of Iowa 53 (1994), 219-245.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol53/iss3/3