REFERENCES
- Buttmann , G. 1970 . “ John Herschel: Lebernsbild eines Naturforschers (Stuttgart, 1965) ” . In The Shadow of the Telescope: A Biography of John Herschel Edited by: Pagel , E. J. New York : Charles Scribner's Sons .
- Crowe , M. 1991 . “ The Letters and Papers of Sir John Herschel: A Guide to the Manuscripts and Microfilm (in the series ” . In Collections from the Royal Society (Bethesda, Maryland, University Publications of America.)
- Evans , D. S. , Deeming , T. J. , Evans , B. H. and Goldfarb , S. 1969 . Herschel at the Cape: Diaries and Correspondence of Sir John Herschel, 1834–1838 Austin : Texas, Univ. of Texas Press. .
- Warner , B. 1991 . Lady Herschel: Letters from the Cape 1834–1838 Cape Town : Friends of the South African Library. .
- Warner , B. and Warner , N. 1984 . Maclear and Herschel: Letters and Diaries at the Cape of Good Hope, 1834–1838 Rotterdam : A. A. Balkema. .