^ abKendall, Alan. The Chronicle of Classical Music. Thames & Hudson, 2000: p. 234
^Mitchell, Donald (ed) (1991). Letters From A Life: Selected Letters of Benjamin Britten, Vol. 2 1939–45. London: Faber and Faber. ISBN0-571-16058-1. p. 1030
^Humphreys, Maggie (1997). Dictionary of composers for the Church in Great Britain and Ireland. London Herndon, VA: Mansell. p. 160. ISBN9780720123302.
^Norris, Gerald (1981). A musical gazetteer of Great Britain & Ireland. Newton Abbot, Devon North Pomfret, Vt: David & Charles. p. 198. ISBN9780715378458.
^Barker, Donald J. "William Wallace", in Grove Music Online, 2001.