- Author: John W. Huffman, Sir Christopher John Dewhurst, Vincent J. Capraro
- Language: English
- Year: 1981
- Author: Christopher John Dewhurst
- Language: English
- Year: 1984
- Author: Christopher John Dewhurst
- Language: English
- Year: 1984
- Author: Sir Christopher John Dewhurst
- Language: English
- Year: 1963
- Author: Sir Christopher John Dewhurst, Ronald Roger Gordon
- Language: English
- Year: 1969