- Author: Liam Leonard, John Barry
- Language: English
- Year: 2010
- Author: Liam Leonard, John Barry, Marius de Geus, Marius de Geus, 5th Graham Parkes
- Language: English
- Year: 2013
- Author: Sales Leonard John
- Language: English
- Year: 2007
- Author: Leonard Pat, Leonard John, Leonard-Johnson Philip
- Language: English
- Year: 2010
- Author: Leonard John, Doctorow E. L., Leonard Sue
- Language: English
- Year: 2012
- Author: Thomas M. Leonard John F. Bratzel (eds.)
- Language: English
- Year: 2006
- Author: Leonard John, Lygo B., Procter Garry
- Language: English
- Year: 2013
- Author: Leonard John Sales
- Language: English
- Year: 2008
- Author: Robin Leonard John C. Lamb
- Language: English
- Year: 2007