- Author: David M. Whitford
- Language: English
- Year: 2011
- Author: Myra Turner
- Language: English
- Year: 2018
- Author: Brian T. German
- Language: English
- Year: 2017
- Author: Elisabeth Gerle
- Language: English
- Year: 2017
- Author: Christine Helmer
- Language: English
- Year: 2014
- Author: David A.J. Richards
- Language: English
- Year: 2005
- Author: Jan Herman Brinks, Gordon W Smith, Georg G. Iggers
- Language: English
- Year: 2001
- Author: Peter Bowen
- Language: English
- Year: 2013
- Author: Robert K. Vischer
- Language: English
- Year: 2012
- Author: Roland Herbert Bainton
- Language: English
- Year: 2013