{1} Paul Henry Lang, Music in Western Civilization, New York, W. W. Norton, 1941, p. 244.

{2} Abraham Veinus, The Concerto, Garden City, N. Y., Doubleday Doran, 1944, p. 9.

{3} Eddie Condon and Thomas Sugrue, We Called it Music, New York, Holt, 1947, p. 270.

{4} A. A. Lloyd, The Singing Englishman, London, Workers’ Music Association, p. 13.

{5} Ibid., p. 18.

{6} Carl Fischer, New York, 1947.

{7} Pierre Louis Duchartre, The Italian Comedy, London, George C. Harap, Ltd., 1929, p. 31.