Bacon, Butts, Sir, d. 1661. [Drawing in ink color & gilt of the full coat of arms of Butts Bacon, beneath the motto "Mediocria Firma," with a dedication to John Christopher Boserut], MS.S. (1 p.), ([before 1661]). Cataloger's note: Butts Bacon was the son of Francis Bacon's half-brother Nicholas & his wife Anne Butts