- Author: Barbara Keesling
- Language: English
- Year: 2008
- Author: Barbara Keesling
- Language: English
- Year: 2006
- Author: Barbara Keesling PhD
- Language: English
- Year: 2014
- Author: Barbara Keesling
- Language: English
- Year: 1993
- Author: Barbara Keesling
- Language: English
- Year: 2009
- Author: Barbara Keesling
- Language: English
- Year: 2002
- Author: Barbara Keesling
- Language: English
- Year: 1997
- Author: Barbara Keesling
- Language: English
- Year: 2002
- Author: Barbara Keesling PhD
- Language: English
- Year: 2009
- Author: Barbara Keesling PhD
- Language: English
- Year: 2009