- Author: Vogt Eric W
- Language: English
- Year: 2009
- Author: Schmitt Conrad J
- Language: English
- Year: 2011
- Author: Schmitt Conrad J
- Language: English
- Year: 2014
- Author: Schmitt Conrad J
- Language: English
- Year: 2011
- Author: Rodríguez Martín
- Language: English
- Year: 2014
- Author: Rios Larry C
- Language: English
- Year: 2005
- Author: Moser Timothy Dwight
- Language: English
- Year: 2016
- Author: Lawless Laura K
- Language: English
- Year: 2006
- Author: Yates Jean
- Language: English
- Year: 2011
- Author: Dictionaries Collins
- Language: Spanish
- Year: 2015