- Author: Kristin Kopp
- Language: English
- Year: 2012
- Author: Celia Barnes
- Language: English
- Year: 2003
- Author: Lawrence Lenz
- Language: English
- Year: 2007
- Author: Lawrence Lenz
- Language: English
- Year: 2007
- Author: Julien Vernet
- Language: English
- Year: 2013
- Author: William H. Bergmann
- Language: English
- Year: 2012
- Author: Turner Frederick Jackson
- Language: English
- Year: 2008
- Author: Seymour Richard
- Language: English
- Year: 2012