London: Faber and Faber, 1967

London: Faber & Faber, 1961

London: Barrie and Rockliff, 1960

Boehlau Verlag Ges.m.b.H. & Co. KG, 1975

Oxford University Press (OUP), 1956

G. Schirmer, 1956

G. Schirmer, 1953

Oxford University Press (OUP), 1953

Boehlau Verlag Ges.m.b.H. & Co. KG, 1952

Duke University Press, 1968

JSTOR, 1968

JSTOR, 1961

JSTOR, 1959

Duke University Press, 1959

JSTOR, 1951

JSTOR, 1967

JSTOR, 1958

University of California Press, 1948

University of California Press, 1948

American Musicological Society, 1948