1Isaac McPherson to Thomas Jefferson, 3 August 1813 (Jefferson Papers)
In the year 1790 or thereabout I presented to thee letters of recommendation from George Mason , Ralph Wormley , & Henry Lee Esq re on business. From thy attention to me at that time, I take the liberty of now addressing thee without restraint on a subject that I am in no way interested in, more than as far as respects the good of my country at large, and if I am correctly informed thou hast...
2Isaac McPherson to Thomas Jefferson, 28 August 1813 (Jefferson Papers)
I duly reciev’d thy verry able letter of the 13 th In s , and have greatly to regret that the public had not been possessd of the views thou hast there taken of the subject, before the late trial of O Evans v s Sam l Robinson in the circuit court at Baltimore —had it been the case, the result of that trial must have terminated the question betwe e
3Isaac McPherson to Thomas Jefferson, 2 January 1814 (Jefferson Papers)
Thy esteemed favour of the 3 rd of September came safe to hand and I have the great satisfaction in saying that I have procured such testimony respecting the origin of the different parts of the machenery that O Evan’s claims as his invention that I think every honest man must say when he peruses it that he has most grossly imposed upon the public and it may have its use. I have had 500...