Retrieved Levitin, Dimitri (March 2019)."Sir Isaac Newton's Unpublished Manuscripts Explain Connections He Made Between Alchemy and Economics".

The King's School, Grantham claims that the tree was purchased by the school, uprooted and transported to the headmaster's garden some years later.Diligent, sagacious and faithful, in his expositions of nature, antiquity and the holy Scriptures, he vindicated by his philosophy the majesty of God mighty and good, and expressed the simplicity of the Gospel in his manners.

Archived from the original on 25 February 2005.Retrieved b Cunningham, Antonia,.Journal for the History of Astronomy.