Locke’s Philosophy of Science and Knowledge (Basil Blackwell, Oxford, 1971); Richard I. Aaron,

John Locke,

3rd edn. (Clarendon Press, Oxford, 1971); James Gibson,

Locke’s Theory of Knowledge and its Historical Relations (Cambridge University Press, 1917); Kathleen Squadrito,

Locke’s Theory of Sensitive Knowledge (University Press of America, Washington, DC, 1978); J. L. Mackie,

(Clarendon Press, Oxford, 1976); Jonathan Bennett,

Locke, Berkeley, Hume: Central Themes (Clarendon Press, Oxford, 1971) and

Learning from Six Philosophers , 2 vols. (Oxford University Press, 2001), principally in Vol. 2; Peter A. Schouls,

The Imposition of Method (Clarendon Press, Oxford, 1980); and the essays collected in I. C. Tipton (ed.),

Locke on Human Understanding (Clarendon Press, Oxford, 1977). See now, too, Peter Schouls,

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