George Washington (1840). “The Writings of George Washington: Being His Correspondence, Addresses, Messages, and Other Papers, Official and Private”, p.62
Abigail Adams, John Adams, L. H. Butterfield, Marc Friedlaender, Mary-Jo Kline (1975). “The Book of Abigail and John: Selected Letters of the Adams Family, 1762-1784”, p.113, UPNE