Letter from Locke to [Philippus van Limborch?], 18/28 December [1688?].
[printed De Beer, viii. 1093; reproduced in Maggs Brothers, Catalogue no. 286, item no. 1735]

Letter from Locke to Anthony Collins, 6 March 1703/4.
copy (with omissions) in British Library, Add. MS. 4290, ff. 34-34^v. [printed De Beer, viii. 3483; printed from the copy in A collection of several pieces (1720), pp. 291-293; Goldie (ed.), Selected correspondence, p. 324]