91From Thomas Jefferson to Jonathan Williams, 12 January 1807 (Jefferson Papers)
I am again to return the tribute of my thanks for the continued proofs of favor from the American Philosophical society; and I ever do it with sincere gratitude, sensible it is the effect of their good will, and not of any services I have it in my power to render them. I pray you to convey to them these expressions of my dutiful acknolegements; and to accept yourselves thanks for the favorable...