Källinformation
Ancestry.com. A sergeant's diary in the World War [webbaserad databas]. Provo, UT: Ancestry.com Operations Inc, 2005.Originaldata: Straub, Elmer Frank.. A sergeant's diary in the World War : the diary of an enlisted member of the 150th Field Artillery (Forty-second (Rainbow) Division), October 27, 1917 to August 7, 1919. Indianapolis: Indiana Historical Commission, 1923, c1922.
