Copy letter, from Sir John Herschel to E[dward] Smedley, dated at Slough Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Is writing to inquire about the copyright status of some earlier writings for the Encyclopaedia Metropolitana; John Frederick William Herschel is considering collecting some of these early writings, together with others, for a separate publication. 22 February 1831