- ^ Brennan, Elizabeth A. and Clarage, Elizabeth C. (1999). Who's Who of Pulitzer Prize Winners, p. 309. Phoenix, Arizona: The Oryx Press. ISBN 1-57356-111-8.
- ^ a b c d Parker, Clifton B. (January 7, 2015). "Stanford Pulitzer Prize-winning historian dies at 93". Stanford Report. Retrieved 7 January 2015.
- ^ http://www.historians.org/info/AHA_History/cndeglerbibliography.htm
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