Wilmers, C. A cello century of British women composers [SR] p2000: container (May Mukle (1880-1963))
New Grove, 2nd ed. WWW site, Jan. 22, 2001 (Mukle, May (Henrietta); b. May 14, 1880, London; d. Feb. 20, 1963, Cuckfield, Sussex; English cellist of Hungarian Gypsy origin)
Hixon, D.L. Women in music, 2nd ed. (Mukle (Muckle), May Henrietta; b. May 14, 1880, d. Feb. 20, 1963, London; English violoncellist, composer)