^Gar Alperovitz, The Decision to Use the Atomic Bomb and the Architecture of an American Myth (New York: Alfred A. Knopf, 1995), p. 225. (ردمك 0-679-44331-2)
^United States of America, Bureau of the Census. Twelfth Census of the United States, 1900; Census Place: Chicago Ward 32, Cook, Illinois; Roll: 287; Page: 16A; Enumeration District: 1032. Lists children Francis N. (age 18); Ralph A. (age 15); and Roy E. (age 12). Source: Ancestry.com. 1900 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2004.
