Harvard Univ. Press, 1936
[New & rev. ed.].

London, Cambridge,; London : New York : W. Heinemann; Harvard University Press,; William Heinemann ; The Macmillan Co., 1914

London : Cambridge, Mass. : W. Heinemann ; Harvard University Press, 1936
New and rev. ed.

Cambridge, Mass. : London : Harvard University Press ; W. Heinemann, 1977

London, New York, W. Heinemann; Macmillan, 1914

[Place of publication not identified] : [publisher not identified], 2021

Cambridge : Harvard University Press, 1974

Harvard Univ. Press; 1936
[New & rev. ed.]