| 期刊論文| 1. | Hare, R. M.(1963)。Descriptivism。Processing of the British Academy，49。   | 圖書| 1. | Hudson, William Donald(1969)。The Is-Ought Question: A Collection of Papers on the Central Problems in Moral Philosophy。Macmillan。 | | 2. | Gosling, J. C. B.(1969)。Pleasure and Desire : The Case for Hedonism Reviewed。Oxford University Press。 | 圖書論文| 1. | Hudson, D.(1969)。Descriptivism。The Is-Ought Question。Macmillan。 | | 2. | Hare, R. M.(1971)。Wanting: Some Pitfalls。Practical Inferences。Macmillan。 | |