Outlines of the history of ethics for English readers /
by Henry Sidgwick ; with an additional chapter by Alban G. Widgery.
- Boston : Beacon Press, 1960.
- xxvi, 342 p. ; 21 cm.
- Beacon paperback ; no. 108 .
Reprint. Originally published: 6th ed., enl. London : Macmillan, c1931. Based on an article contributed to the "Encyclopedia britannica.". Includes index.