Letter listing for 1670–1679
- David Thomas to John Locke, 5 December 1679
- Nicolas Toinard to John Locke, 6 December 1679
- “Onguent palliatif” by Nicolas Toinard, c. 6 December 1679
- Henri Justel to John Locke, 9 December 1679
- Jacques Selapris [née Jakob Schlappritzi] to John Locke, 10 December 1679
- Thomas Hyde to Robert Boyle, 19 December 1679
- Notes on the shrub Ytzticpatlis by Thomas Hyde, 19 December 1679
- Notes on the shrub Ytzticpatlis by Thomas Hyde, 19 December 1679 [translation from Latin into English]
- Nicolas Toinard to John Locke, 23 December 1679