11George Hay to Thomas Jefferson, 21 July 1812 (Jefferson Papers)
Your letter of the 13 th and postscript of the 16 th inst: were received this morning.— M r...
12George Hay to Thomas Jefferson, 6 December 1813 (Jefferson Papers)
You must have the goodness to excuse my failure, to answer your late letter on the Subject of...
13George Hay to Thomas Jefferson, 8 March 1815 (Jefferson Papers)
I ought to ask your pardon and I do ask it, for not having returned long ago, the book which you...