found: Grabbe, P. Minute stories of the opera ... c1932
found: Healing heritage, c1998:t.p. (Paul Nordoff) p. xvii (b. 1909 in Philadelphia) p. xviii (d. Feb. 1977)
found: Grove music online, viewed July 15, 2013(Nordoff, Paul; born June 4, 1909, Philadelphia, died Jan. 18, 1977, Herdecke, North Rhine-Westphalia; American composer and music therapist)
found: Northwestern University finding aid, American Music Edition records(Nordhoff, Paul)
found: OCLC, April 27, 2020(hdgs.: Nordhoff, Paul; Nordhoff, Paul, 1909-)