Francis Augustus Cox, Clipston, to John Sutcliff, Olney, 20 February 1806.
F. A. Cox, Clipston, to John Sutcliff, Olney, 13 March 1810.
F. A. Cox, Upper Homerton, to Thomas Raffles at Mr. Bolton’s, Great George Street, Liverpool, 30 August 1819.
MS. prospectus by F. A. Cox describing the curriculum and term schedule for his school at Hackney, January 1827.