The world's encyclopedia of recorded music.  2nd Supplement / 
by Francis F. Clough and G.J. Cuming. 
 - London :  Sidgwick & Jackson, in association with the Decca Recrod Corp. : and in the U.S.A., the London Records,  Sidgwick & Jackson, in association with the Decca Recrod Corp. : and in the U.S.A., the London Records,  1951-1952.