found: The twilight zone. Vol. 4, c1998:closing credits of Passage for trumpet (Don Medford)
found: Internet movie database, Nov. 22, 1999(Don Medford; director; b. 1917)
found: Halliwell's WW in the movies, 1999(Medford, Don; American director; b. 1917)
found: IMDb, Aug. 14, 2006(Don Medford; b. 1917; sometimes credited as Donald Medford)
found: The circle of chalk, 1943:t.p. (Donald F. Muller)
found: Yale Drama Alumni newsletter, 1946/1947:p. 5, under "class of '43" (Muller, Don; now Don Medford; address: c/o Actors Equity Assoc., 45 W. 47th St., New York City).
found: Internet movie database, January 15, 2015(Don Medford; television director; born Donald Muller, November 26, 1917, Detroit; died December 12, 2012, West Hills, California)
