1. Herschel , M. 1876. Memoir and correspondence of Caroline Herschel 142–142. New York Cited hereafter as ‘Herschel’.
2. Ashton , H. and
Davies , K. 1937. I had a sister xv–xv. London
3. Lubbock , C. , ed. 1933. The Herschel chronicle. The life-story of William Herschel and his sister Caroline Herschel 5–7. Cambridge Cited hereafter as ‘Lubbock’.