King’s College Library, Cambridge

J. M. Keynes Manuscripts

JMK/PP/87/39:

Letter from Locke to Anthony Collins, 21 August 1704.
[printed De Beer, viii. 3619 (from Maggs, Brothers, Catalogue no. 445, item no. 2651); ix. 3619 (from the original)]

[Designation unknown]

Letter from Locke to Isaac Newton, 26 July 1692.
[printed in Brewster, Memoirs of … Newton (1855), vol. 2:461-462; Newton, Correspondence (1959- ), iii. 216-217 (no. 390); De Beer, iv. 1517]