Essays on ethics and method

Sidgwick, Henry, 1838-1900.
Oxford : Clarendon Press ; New York : Oxford Univ. Press, [2000]

Lectures on the philosophy of Kant and other philosophical lectures & essays

Sidgwick, Henry, 1838-1900.
New York : Kraus Reprint, 1968.

The methods of ethics.

Sidgwick, Henry, 1838-1900.
[Chicago] : University of Chicago Press, [1962]
7th ed., reissued.

The methods of ethics.

Sidgwick, Henry, 1838-1900.
New York : Dover Publications, [1966]

Outlines of the history of ethics for English readers.

Sidgwick, Henry, 1838-1900.
Boston : Beacon Press, [1960]

Outlines of the history of ethics for English readers.

Sidgwick, Henry, 1838-1900.
London : Macmillan ; New York, : St. Martin's, 1967, [c1931]
[6th ed. enl.]