found: The last round-up [MP] 1934:credits (words and music of The last round-up by Billy Hill)
found: There's a cabin in the pines, 1933:t.p. (Billy Hill (George Brown))
found: Perf. arts biog. master index, c1981(Hill, Billy; Hill, William Joseph; b. 1899 d. 1940)
found: ASCAP, 4th ed.(Hill, William J.; b. July 14, 1899, Boston, Mass.; d. Dec. 24, 1940, Boston; composer, author, pianist)
found: Drone. Musical AKA's, 2007(Hill, William or Billy (J(oseph), 1899-1940; pseud. Brown, George (W. or F. or R.)