Catalogue Entry: NATP00195
An Extract of Two Letters Concerning the change (suggested) of our Julian account for the Gregorian
Related Material
Published as John Wallis, "An Extract of Two Letters, from Dr. John Wallis, (Professor of Geometry in Oxford.) The One to His Grace the Lord Arch-Bishop of Canterbury. The Other to the Lord Bishop of Worcester", Philosophical Transactions of the Royal Society, No. 21 (January 1, 1699/1700), pp. 343-354