- Author: Schaefer Kim
- Language: English
- Year: 2012
- Author: Schaefer Kim
- Language: English
- Year: 2010
- Author: Schaefer Kim
- Language: English
- Year: 2012
- Author: Schaefer Kim
- Language: English
- Year: 2013
- Author: Schaefer Kim
- Language: English
- Year: 2012
- Author: Schaefer Kim
- Language: English
- Year: 2015
- Author: Flynn Mary E., Schaefer Kim
- Language: English
- Year: 2017