“19 [i.e. 20] Tuesday.,” Founders Online, National Archives, https://founders.archives.gov/documents/Adams/01-01-02-0002-0004-0020. [Original source: The Adams Papers, Diary and Autobiography of John Adams, vol. 1, 1755–1770, ed. L. H. Butterfield. Cambridge, MA: Harvard University Press, 1961, p. 21.]