Copy letter, from Sir John Herschel to Mrs. Mary Frances Kater, dated at [London?] Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Confusion around [James] Grahame's possible use of the verses that John Frederick William Herschel had offered to Mary Frances Kater as suitable for the music Cherry Ripe. 20? March 1828