- Author: Hopkins Burt, Husserl Edmund
- Language: English
- Year: 2015
- Author: Hopkins Burt, Husserl Edmund
- Language: English
- Year: 2015
- Author: Drummond John J., Hopkins Burt
- Language: English
- Year: 2014
- Author: Crowell Steven Galt, Hopkins Burt C
- Language: English
- Year: 2015
- Author: Crowell Steven Galt, Hopkins Burt C
- Language: English
- Year: 2015
- Author: Crowell Steven Galt, Hopkins Burt C
- Language: English
- Year: 2015
- Author: Crowell Steven Galt, Hopkins Burt C
- Language: English
- Year: 2015
- Author: Brainard M., Crowell Steven Galt, Hopkins Burt C
- Language: English
- Year: 2015