found: His Improvisations, c1963.
found: Computer music [SR] p1983:program notes (Larry Austin; b. Duncan, Okla., 1930)
found: Int. ww in classical mus., 33rd ed.(Austin, Larry Don; born September 12, 1930, Duncan, Oklahoma; American composer and music educator; professor and director of university bands, University of California, Davis, 1958-1972; co-director of New Music Ensemble, 1963-1968; taught at University of South Florida, Tampa, 1972-1978, and University of North Texas, 1978-1996; publisher and journal owner: Source: music of the avant garde; founder and president of CDCM: Consortium to Distribute Computer Music; producer of CDCM computer music series on Centaur Records, 1986-2000; president of International Computer Music Association, 1990-1994)
found: Denton record-chronicle WWW site, March 22, 2019:obituary published January 2, 2019 (Larry Austin, local composer and former UNT professor, died December 30, age 88)
found: Wikipedia, March 22, 2019(Larry Austin; Larry Don Austin; born September 12, 1930, Duncan, Oklahoma, died December 30, 2018)