New York times, May 24, 2004 (Percy Young, 91, music scholar; d. May 9, 2004, York, Eng.; b. in Northwich, Cheshire, Eng.)
New Grove, 2nd ed., on line Jun 01, 2005 (Young, Percy M(arshall); b. Northwich, Cheshire, May 17, 1912; d. York, May 9, 2004; English writer on music and music educationist)