found: Zinsser, W. Willie and Dwike, c1984:CIP t.p. (Willie) galley (Willie Ruff)
found: Ruff, W. A call to assembly, 1991:t.p. (Willie Ruff) p. 15 (b. Labor Day, 1931, Sheffield, Ala.) index (Ruff, Willie Henry)
found: New Grove dict. of jazz, 2nd ed.(Ruff, Willie (Henry, Jr.); b. Sept. 1, 1931, Sheffield, AL; double bass and French horn player, and teacher)
found: The chronicle of higher education, Jan. 19, 2024:page 59 (Willie Ruff; died Dec. 24, 2023; jazz musician who taught at Yale University)