- Author: Sarah C. Humphreys
- Language: English
- Year: 1993
- Author: Sarah C. Humphreys, Helen King
- Language: English
- Year: 1981
- Author: Sarah C. Humphreys
- Language: English
- Year: 1984
- Author: Sarah C. Humphreys Rudolf G. Wagner (auth.) Sarah C. Humphreys Rudolf G. Wagner (eds.)
- Language: English
- Year: 2013