1John Adams to Thomas Jefferson, 18 July 1813 (Jefferson Papers)
An History of Early Opinions Concerning Jesus Christ (J. Priestley) [index entry]
2Thomas Jefferson to John Adams, 22 August 1813 (Jefferson Papers)
An History of Early Opinions Concerning Jesus Christ (J. Priestley) [index entry]
3John Adams to Thomas Jefferson, 24 August 1815 (Jefferson Papers)
An History of Early Opinions Concerning Jesus Christ (J. Priestley) [index entry]