John Quincy Adams, Kenneth V. Jones, United States. President (1825-1829 : Adams) (1970). “John Quincy Adams, 1767-1848; chronology, documents, bibliographical aids”, Oceana Pubns
Samuel Johnson, Hester Lynch Piozzi, James Boswell (1804). “The beauties of Samuel Johnson, LL. D.: consisting of maxims and observations, moral, critical, and miscellaneous: to which are now added biographical anecdotes of the doctor, selected from the works of Mrs. Piozzi;--his Life, recently published by Mr. Boswell, and other authentic testimonies; also his will, and the sermon he wrote for the late Doctor Dodd”
John Flavel (1840). “Divine Conduct: Or, The Mystery of Providence, Wherein the Being and Efficacy of Providence are Asserted and Vindicated ... and the Proper Course of Improving All Providences Pointed Out”, p.19