- Author: Herbert Gottfried
- Language: English
- Year: 2018
- Author: Erika Schneider
- Language: English
- Year: 2015
- Author: Ohr George E, Lippert Ellen J
- Language: English
- Year: 2014
- Author: Mills Cynthia J
- Language: English
- Year: 2014
- Author: Ashcan school, Slayton Robert A
- Language: English
- Year: 2017
- Author: Ashcan school, Slayton Robert A
- Language: English
- Year: 2017