- Author: Alvin Boyd Kuhn
- Language: English
- Year: 2008
- Author: Eleanora Gilbert
- Language: English
- Year: 2011
- Author: J. Cornelis de Vos
- Language: German
- Year: 2016
- Author: Richard Wurmbrand
- Language: English
- Year: 2011
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- Language: English
- Year: 2012
- Author: Daniel Schwindt Lindsey Schwindt
- Language: English
- Year: 2013
- Author: Jill C. Stevenson
- Language: English
- Year: 2013
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- Language: English
- Year: 2010
- Author: Robert Wuthnow
- Language: English
- Year: 2012