Remarks Upon the Solar and the Lunar Years, The Cycle of 19 Years, commonly called The Golden Number, the Epact, And a Method of finding the Time of Easter, as it is now observed in most Parts of Europe, 1750 (The contents of this pamphlet were, according to the title page, first communicated to the Royal Society by Martin Folkes on 10 May 1750.), GBR/0012/MS Add.9597/3/1. The Macclesfield Collection, GBR/0012/MS Add.9597. Cambridge University Library.

Remarks Upon the Solar and the Lunar Years, The Cycle of 19 Years, commonly called The Golden Number, the Epact, And a Method of finding the Time of Easter, as it is now observed in most Parts of Europe, 1750 (The contents of this pamphlet were, according to the title page, first communicated to the Royal Society by Martin Folkes on 10 May 1750.), GBR/0012/MS Add.9597/3/1. The Macclesfield Collection, GBR/0012/MS Add.9597. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/566195 Accessed March 31, 2023.