^Vogel, Frederick G. (1995). World War I Songs: A History and Dictionary of Popular American Patriotic Tunes, with Over 300 Complete Lyrics. Jefferson: McFarland & Company, Inc. pp. 162, 303. ISBN0-89950-952-5.
^Parker, Bernard S. (2007). World War I Sheet Music. Vol. 1. Jefferson: McFarland & Company, Inc. p. 74. ISBN978-0-7864-2798-7.
^"Cheer up, mother". University of South Carolina Digital Collections. University of South Carolina. Retrieved 26 January 2016.