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 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...
3To 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,...
4To James Madison from Isaac Briggs, 22 February 1803 (Abstract) (Madison Papers)
22 February 1803, Washington. “I am directed by the American Board of Agriculture to request thy...
5To James Madison from Isaac Briggs, 17 May 1803 (Madison Papers)
I take the freedom of introducing to thee, and to thy amiable family, my youngest brother Joseph...
6To James Madison from Isaac Briggs (Abstract), 20 April 1805 (Madison Papers)
20 April 1805, Washington, Mississippi Territory . “There is reason to expect that there will be...
7To James Madison from Isaac Briggs, 16 May 1812 (Madison Papers)
Having had, for a considerable time past, opportunities of observing the rapid progress of...
8To James Madison from Isaac Briggs and Thomas Moore, 16 April 1809 (Madison Papers)
The Bearer, Thomas Robertson, we understand is an Applicant for the place of Agent of the United...
9To James Madison from Isaac Briggs, 18 January 1814 (Madison Papers)
Permit me to introduce to thee, two of my young friends from Philadelphia, who will hand to thee...
10To James Madison from Isaac Briggs, 4 January 1817 (Madison Papers)
Application has been made to me for a letter of introduction to the President U.S. on behalf of...