1From John Adams to Hezekiah Niles, 27 February 1817 (Adams Papers)
I have been So much gratified with the Specimen of your Register, which you were So kind as to...
2From John Adams to Hezekiah Niles, 3 January 1817 (Adams Papers)
I thank you for your letter of 23rd Decbr. & your Register, which is the first I have ever seen....
3Thomas Jefferson to Hezekiah Niles, 26 June 1815 (Jefferson Papers)
Having occasion lately to refresh my memory on the case of Henry the British agent , I was...
4Thomas Jefferson to Hezekiah Niles, 19 January 1817 (Jefferson Papers)
Accept my thanks for the specimen you have been so kind as to send me of the new preparation of...