Letter, from Martin Lister to the Archbishop of York [Richard Sterne], dated at York Signed autograph Observation of a stone removed from under the tongue and the production of saliva subsequently Henry Oldenburg's note states that this letter was sent by the Archbishop of York to the Archbishop of Canterbury, who then passed it onto R Moray, who presented it to the Royal Society Read to the Royal Society on 1 May 1672 10 April 1672