1To John Adams from John Sinclair, 3 June 1802 (Adams Papers)
I expected to have had the Honour of hearing from you before this time, on the subject of the...
2To John Adams from John Sinclair, 22 June 1801 (Adams Papers)
I have now the pleasure of inclosing, the plan of a new Town I am erecting in the north of...
3To Thomas Jefferson from John Sinclair, 13 August 1807 (Jefferson Papers)
Sir John Sinclair presents his Compliments, and tho’ much hurried, preparing to set out for...