1To Thomas Jefferson from Erastus Roberts, 21 December 1807 (Jefferson Papers)
In consideration of a favour which I have recently received from you, I think, will justify me,...
2To Thomas Jefferson from Erastus Roberts, 7 October 1808 (Jefferson Papers)
I trust an appology for troubling you with this will be unnecessary however foreign it may be...
3To James Madison from Erastus Roberts, 2 September 1813 (Madison Papers)
It cannot be unacceptable to you, as the guardian of a nations rights and freedom, to learn the...
4To James Madison from Erastus Roberts, 18 February 1816 (Madison Papers)
I take it upon myself to communicate to you my wish to be re-appointed in the service if a...