Autograph Letter Signed, addressed “Dear Madam”, recounting her own part in the rescue of a little kitten on a glacier near Zermatt. 4 pp. 4½ x 3½ inches, in good condition. Addington Park, Croydon, 16 October 1889. Uncommon. Mary Sidgwick Benson (1841-1918), notable as the wife of Edward Benson, who later became archbishop of Canterbury, and for her later relationship with Lucy Tait, daughter of the previous Archbishop of Canterbury, Archibald Campbell Tait. Born Mary Sidgwick and nicknamed Minnie, she was the sister of the philosopher Henry Sidgwick. She was described by Gladstone as the ‘cleverest woman in Europe’.