- Author: Percy Martin F.R.G.S.
- Language: English
- Year: 1911
- Author: W A R Gorman
- Language: English
- Year: 1950
- Author: J R Partington
- Language: English
- Year: 1949
- Author: Tyndall J.
- Language: English
- Year: 1870
- Author: J R Partington
- Language: English
- Year: 1949