Outlines of the history of ethics : for English readers /
by Henry Sidgwick ; with an additional chapter by Alban G. Widgery.
- 6th ed. (enlarged)
- London : Macmillan, 1931. [Reprinted 1960, 1967]
- xxvi, 342 p. ; 19 cm.
- Macmillan's manuals for students .
- Macmillan's manuals for students. .
Based on an article contributed to the "Encyclopaedia britannica."