1To George Washington from Andrew Ellicott, Benjamin Ellicott, and Isaac Briggs, 29 June 1793 (Washington Papers)
We trust we have manifested, during our employment in the city of Washington, our zeal for its...
2To Thomas Jefferson from Isaac Briggs, 24 January 1801 (Jefferson Papers)
As a member of the American Philosophical Society I take the liberty of addressing its President....
3From Thomas Jefferson to Isaac Briggs, 8 February 1801 (Jefferson Papers)
I have to acknolege the reciept of your favor of Jan. 24. on the subject of the establishment of...
4To Thomas Jefferson from Isaac Briggs, 30 January 1802 (Jefferson Papers)
Will the President do me the favor to accept the enclosed pamphlet ; and the additional one to...
5To Thomas Jefferson from Isaac Briggs, 26 April 1802 (Jefferson Papers)
It was with a high degree of satisfaction, I observed in a letter I lately received from my...
6To Thomas Jefferson from Isaac Briggs, 26 June 1802 (Jefferson Papers)
Wilt thou condescend to inform me, if a letter I wrote, dated 26th. of the 4th. Month 1802, ever...
7From Thomas Jefferson to Isaac Briggs, 29 June 1802 (Jefferson Papers)
Your favor of the 26th. came to hand last night. that of Jan. 30. had been recieved in due time....
8From James Madison to Isaac Briggs, [post 8 October] 1802 (Madison Papers)
I have received your letter of Aug. 12. inclosing a certificate that the Farmer’s Society at...
9To James Madison from Isaac Briggs, 11 October 1802 (Abstract) (Madison Papers)
11 October 1802, Baltimore. “I take the liberty of sending for deposit in thy office, as evidence...
10To James Madison from Isaac Briggs, 1 January 1803 (Madison Papers)
Having failed, when I was last in the City of Washington, to procure satisfactory information,...