- Author: David M. Harland
- Language: English
- Year: 2004
- Author: David M. Harland (auth.)
- Language: English
- Year: 2007
- Author: David M. Harland (auth.)
- Language: English
- Year: 2011
- Author: David M. Harland
- Language: English
- Year: 2004
- Author: David J. Shayler David M. Harland
- Language: English
- Year: 2016
- Author: David J. Shayler David M. Harland (auth.)
- Language: English
- Year: 2016
- Author: David J. Shayler David M. Harland (auth.)
- Language: English
- Year: 2016
- Author: Paolo Ulivi David M. Harland (auth.)
- Language: English
- Year: 2015
- Author: David M. Harland (auth.)
- Language: English
- Year: 2011
- Author: Brian Harvey (auth.) Dr David M. Harland Brian Harvey M.A. H.D.E. F.B.I.S. (eds.)
- Language: English
- Year: 2008