- Author: Paul J. Hopper
- Language: English
- Year: 1975
- Author: Paul J. Hopper (editor), Sandra A. Thompson (editor)
- Language: English
- Year: 1982
- Author: Paul J. Hopper
- Language: English
- Year: 1975
- Author: Anna Giacalone Ramat (Ed.) Paul J. Hopper (Ed.)
- Language: English
- Year: 1998
- Author: Barbara A. Fox (Ed.) Paul J. Hopper (Ed.)
- Language: English
- Year: 1994
- Author: Paul J. Hopper (Ed.)
- Language: English
- Year: 1982
- Author: Allan R. Bomhard Paul J. Hopper
- Language: English
- Year: 1984
- Author: Paul J. Hopper
- Language: English
- Year: 2000