Festival of American Chamber Music (1987 : Washington, D.C.). Library of Congress Music Division concert, 1987-05-15 [SR] 1987 program (George Grossmith)
Am. and Brit. theatrical biog., 1979 p. 441 (Grossmith, George, Jr., 1874-1935, English actor and dramatist)
Grove music online, Oct. 27, 2008 (Grossmith, George; b. May 11, 1874, d. June 6, 1935, London; English performer, lyricist, librettist and producer; sometimes called George Grossmith III to distinguish him from his father (1847-1912) and grandfather, both also called George Grossmith)