Celtic keyboards, p1994 container (Joan Trimble, b. 1915) insert (Irish pianist & composer; active with her sister Valerie (1917-1980) as a 2-piano team)
Norton/Grove dict. of women composers (Trimble, Joan; b. June 18, 1915, Enniskillen; Irish composer)
Notes, June 2001 p. 869 (Trimble, Joan; d. Aug. 6, 2000; Irish composer)