Citations
Letter from David Gregory to Isaac Newton, 23 December 1697, GBR/0012/MS Add.3980.9. Cambridge University Library. |
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Letter from David Gregory to Isaac Newton, 23 December 1697, GBR/0012/MS Add.3980.9. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/505028 Accessed December 22, 2024. |