- Author: Leonard Thomas
- Language: English
- Year: 2009
- Author: Stephen J. Leonard Thomas J. Noel
- Language: English
- Year: 2016
- Author: Leonard Thomas, Papasouliotis Orestis
- Language: English
- Year: 2020
- Author: Leonard Thomas C
- Language: English
- Year: 2017
- Author: Thomas J. Leonard Thomas J. Volk (auth.) Gary F. Leatham (eds.)
- Language: English
- Year: 1992
- Author: Stephen J. Leonard Thomas J. Noel
- Language: English
- Year: 1991