Glyn Mn Hughes, Arts diary: Festival coup with big chorus; Choral Arts Society of Washington, Chester Cathedral, Jul. 24, 2002 (cite based on online archival version)
Anne Midgette, Choral Arts Society names director, Washington Post, March 29, 2012, p. C02 (different title for online version of story; visitato il 31 marzo 2012)
Choral Arts Society, Collaborative History (PDF), su choralarts.org. URL consultato il 20 agosto 2010 (archiviato dall'url originale l'11 dicembre 2009).