1Thomas Jefferson to Edmund Randolph, 17 May 1813 (Jefferson Papers)
The sale of Mazzei’s lots is at length concluded and the purchaser having deemed it necessary for me also to sign the deed as co-attorney with yourself, altho’ by a separate instrument, which being special did not revoke the power given to you, I have not hesitated to do so. I now forward it for your signature, and as that must be certified by some court, I must ask the favor of you to execute...