found: Great British sopranos [SR] 1973?:label (Gwen Catley, soprano) insert (b. 1910, London)
found: Kutsch/Riemens. Grosses Sängerlexikon, 1987- :Ergänzungsband, 1991 (Catley, Gwen; b. Feb. 9, 1910, London)
found: Notes, June 1998:p. 884 (Catley, Gwen; d. Nov. 12, 1996, age 90 [sic], Hove; English soprano)
found: Gramophone, Feb. 1997:p. 12 (Catley, Gwen; d. at age 86; b. Feb. 9, 1910, London; British soprano)
found: Ww in mus., 6th ed.(Catley, Gwen; b. 1911, London; coloratura soprano)
found: Ww in mus., 3rd ed.(Catley, Gwendoline Florence)