found: His Quintet for clarinet and strings. [Phonodisc] 1974.
found: Int. ww in mus., 15th ed.(Stock, David Frederick; b. June 3, 1939, Pittsburgh, PA; composer, conductor)
found: Stock, D. Sunrise sarabande, c1988:caption (D. Stock; David Stock)
found: Duquesne University WWW site, November 30, 2015(David Stock; born June 3, 1939, Pittsburgh; composer/conductor; professor emeritus, Mary Pappert School of Music; B.F.A., trumpet performance and composition, Carnegie Mellon University, 1962; M.F.A., composition, Carnegie Mellon University, 1963; M.F.A., composition, Brandeis University, 1973)
found: Pittsburgh post-gazette WWW site, November 30, 2015:obituary published November 2, 2015 (David Stock; June 3, 1939-November 2, 2015; composer, conductor; died Monday [November 2]; founded Pittsburgh New Music Ensemble in 1976; taught at Duquesne University, 1990-2009; born in Squirrel Hill)