^Report of The Adjutant General of the State of California For the Period November 17, 1914, to June 30, 1920. Sacramento: California State Printing Office. 1922. ص. 46.
^"Edwin A Forbes". 11 فبراير 2013. مؤرشف من الأصل في 2016-09-23. اطلع عليه بتاريخ 2015-01-08.
^Report of The Adjutant General of the State of California For the Period November 17, 1914, to June 30, 1920. Sacramento: California State Printing Office. 1922. ص. 47.