Cambridge: 1863-68. Three Mathematical Autograph Letters, Signed, Plus a Four Page Autograph Mathematics Manuscript Cayley, Arthur (1821-95). (1) Autograph letter signed (“A. C.”) to Archibald Smith (1813-72), written in the margins of an autograph letter signed from Smith to Cayley. 1 page. London, 9 August 1863 [date of Smith’s letter]..... More