- Author: Patrick Billingsley
- Language: English
- Year: 1999
- Author: Patrick Billingsley
- Language: English
- Year: 1987
- Author: Patrick Billingsley
- Language: English
- Year: 1999
- Author: Patrick Billingsley
- Language: English
- Year: 1995
- Author: Patrick Billingsley
- Language: English
- Year: 1987
- Author: Patrick Billingsley
- Language: English
- Year: 1986
- Author: Patrick Billingsley
- Language: English
- Year: 1986