found: Little Nellie Kelly [MP] 1940: credits (screen play by Jack McGowan)
found: W was w on screen, 1983 (John P. "Jack" McGowan; screen, stage, vaudville actor, screenwriter, playwright, singer, composer, lyricist and burlesque entertainer; d. 5-28-1977; do not confuse with actor/director John P. McGowan, d. 1952)
found: Variety obituaries, 1975-1979: 6-8-77 (John P. McGowan a.k.a. J.P. McGowan, Jack McGowan)
found: Gershwin, G. Alex. A. Aarons and Vinton Freedley present Girl crazy, c1954: t.p. (John McGowan)
found: NUC, 1953-1957. Music and phonorecords (hdg.: McGowan, John Wesley, 1894- ; usage: John McGowan)
found: Perf. arts biog. master index, c1981 (McGowan, John W., 1892- )
found: Enc. of the musical theatre (McGowan, John P.; b. 1892, Muskegon, Mich; d. May 28, 1977, New York, NY)
found: Girl crazy, 1931 DLC copy theater program, Alvin Theatre, N.Y., N.Y. performance (John McGowan)
found: Internet Broadway database, October 19, 2012 (John McGowan; Director, Producer, Performer, Writer, Source Material; born Jan 12, 1894; died May 28, 1977; Male; Also known as: Jack McGowan)
McGowan, John, 1894-1977
