1To Thomas Jefferson from John Churchman, with a Memorial on Magnetic Declinations, 6 June 1787 (Jefferson Papers)
I take the liberty of Writing on a subject which as it is interesting to Society I hope will...
2To Thomas Jefferson from John Churchman, 22 November 1787 (Jefferson Papers)
I received a favour dated the 8th of August last, mentioning the receipt of my last of June 6th....
3To Thomas Jefferson from John Churchman, 15 May 1789 (Jefferson Papers)
Thy favour of the 8th. of August 1787 came safe to hand, in which I am informed that the Royal...
4To Thomas Jefferson from John Churchman, 23 November 1790 (Jefferson Papers)
John Churchmans best respects attend the Secretary of State, in company with a Variation Chart...
5To Thomas Jefferson from John Churchman, 13 January 1791 (Jefferson Papers)
The Committee of the House of Representatives to whom was referred my memorial, having made a...
6To Thomas Jefferson from John Churchman, 2 April 1792 (Jefferson Papers)
Notwithstanding the report of the committee on my late memorial to Congress , it does not appear...
7To Thomas Jefferson from John Churchman, 7 May 1802 (Jefferson Papers)
I take the Liberty to send herewith a copy of an improved Variation Chart , hoping it will be...