found: Rhondda rhapsody, 1951
found: BL auth. file 11 May 2009(hdg.: Jones, Mai)
found: Wikipedia, 11 May 2009:Mai Jones page (Mai Jones (February 6, 1899 -- May 7, 1960), was a Welsh songwriter, entertainer and radio producer)
found: Internet FAQ Archives WWW Site, 10 June 2010(The Zebra song, words: Dorothy Worsley, music: Mai Jones a.k.a. Marian Williams)
notfound: Hixon, D.L. Women in music, 1993 ;Cohen, I. Int. enc. of women composers, 1987 ;Claghorn, C.E. Women composers, 1996 ;Historical Records Survey. District of Columbia. Bio-bib. index of musicians in the United States of America from Colonial times, 1956