31To Thomas Jefferson from Andrew Ellicott, 13 April 1801 (Jefferson Papers)
I have accompanied this by a few sheets of my observations, they contain an account of the work...
32To Thomas Jefferson from Robert Patterson and Andrew Ellicott, 9 May 1801 (Jefferson Papers)
Should the office of Superintendant of the military stores of the United States, created by an...
33To Thomas Jefferson from Andrew Ellicott, 16 May 1801 (Jefferson Papers)
No two branches of science have been so much improved the last two centuries as chemistry, and...
34To James Madison from Andrew Ellicott, 20 May 1801 (Madison Papers)
Your favour of the 8th. did not come to hand till the 12th. I should have acknowledged the...
35To Thomas Jefferson from Andrew Ellicott, 26 May 1801 (Jefferson Papers)
I have enclosed three more sheets of my astronomical observations.—Pages 109, and 110, contain a...
36To James Madison from Andrew Ellicott, 27 May 1801 (Abstract) (Madison Papers)
27 May 1801, Philadelphia. Introduces Winthrop Sargent, “who as well as myself has been abused,...
37To Thomas Jefferson from Andrew Ellicott, 4 June 1801 (Jefferson Papers)
With this you will receive the last pages of my astronomical observations with an extra half...
38To James Madison from Andrew Ellicott, 15 July 1801 (Madison Papers)
Mr. Ellicott presents his most respectful compliments to his friend Mr. Madison, and requests,...
39To Thomas Jefferson from Andrew Ellicott, 18 August 1801 (Jefferson Papers)
Immediately upon my return from the City of Washington I began the reduction of my Charts to a...
40To Thomas Jefferson from Andrew Ellicott, 10 October 1801 (Jefferson Papers)
I have enclosed the observations made by Mr. Patterson and myself on the lunar eclipse of...