found: His Tonal and rhythmic principles, 1984:t.p. (John Mehegan)
found: His improvising jazz piano, c1985:cover (John Mehegan) p. 5 (d. Apr. 3, 1984)
found: OCLC, Feb. 7, 2002(hdgs.: Mehegan, John; Mehegan, John F., 1922- ; usage: John Mehegan)
found: Mehegan, J. Famous jazz style piano folio, 1958:p. [1] (John F. Mehegan; b. June 6, 1922, Hartford, Conn.)
found: New York times WWW site, viewed April 21, 2016obituary published by John S. Wilson on April 5, 1984 (John Mehegan, Jazz pianist. John F. Mehegan, a jazz pianist, teacher and author whose four-volume work, ''Jazz Improvisation,'' is one of the most widely used publications for teaching jazz piano, died of a brain tumor Tuesday at Waveny Care Center in New Canaan, Conn. Mr. Mehegan, who was 67 years old, maintained a studio in Westport for 20 years but had moved to Rowayton shortly before his death. was a dominant figure in classical music for over half a century)