Sources on Popular Songs of World War I
Blake, Eric Charles. Wars, dictators and the gramophone, 1898-1945. York, UK: William Sessions, 2004.
Parker, Bernard S. World War I sheet music: 9,670 patriotic songs published in the United States, 1914-1920, with more than 600 covers illustrated. Jefferson, NC: McFarland, 2007.
Vogel, Frederick G. World War I songs: A history and dictionary of popular American patriotic tunes, with over 300 complete lyrics. Jefferson, NC: McFarland, 1995.
Watkins, Glenn. Proof through the night: Music and the great war. Berkeley: University of California Press, 2003.