^Barbara Jillian Dignam: "Multiplicities of Musical Language and Select Compositional Devices in Roger Doyle's Babel (1989–99)", in: Gareth Cox and Julian Horton (eds.): Irish Musical Analysis (Irish Musical Studies vol. 11) (Dublin: Four Courts Press, 2014), p. 277–297.
^Axel Klein: Irish Classical Recordings. A Discography of Irish Art Music (Westport, Conn.: Greenwood Press, 2001), p. 32–40.
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