found: Menotti, G.C. Amahl and the night visitors [SR] p1987:container (Donald Maxwell; sings role of Melchior)
found: Int. ww in mus., 15th ed.(Maxwell, Donald; b. Dec. 12, 1948, Perth, Scotland; baritone)
found: Grove Music online, viewed Feb. 6, 2024(Donald Maxwell; b. Dec. 12, 1948 in Perth; Scottish baritone)
notfound: Who's who in opera, 1976;New Grove;Intl. who's who in music, 10th ed. (Maxwell, Donald Edward, b. 6-10-1941, Greenwich, Conn.; college prof., voice teacher [probably not same person])