1To Thomas Jefferson from Robert Morris, [on or before 29 January 1802] (Jefferson Papers)
When I had the honor of seeing you, it escaped my recollection to mention the subject...
2To Thomas Jefferson from Robert Morris, 6 May 1801 (Jefferson Papers)
As I know that you take pleasure in patronizing ingenious men of merit, I expect you will not...
3To James Madison from Robert Morris, 29 September 1802 (Madison Papers)
In consequence of a Certificate dated 6. Septr. 1802 from your office under the Signature of...
4To James Madison from Robert Morris, 3 September 1802 (Abstract) (Madison Papers)
3 September 1802, New Brunswick. “I will thank you for a certificate from your office, by the...