Moore, G. E. Principia ethica / Auszug: George Edward Moore. Revolutions of the word : intellectual contexts for the study of modern literature.(1997).

Moore, George Edward. "Principia Ethica / Auszug: George Edward Moore." Revolutions of the Word : Intellectual Contexts for the Study of Modern Literature.(1997) .

Moore, George Edward. "Principia Ethica / Auszug: George Edward Moore." Revolutions of the Word : Intellectual Contexts for the Study of Modern Literature.(1997), .