- Author: Pickover Clifford A
- Language: English
- Year: 2019
- Author: Pickover Clifford A
- Language: English
- Year: 2018
- Author: Pickover Clifford A
- Language: English
- Year: 2004
- Author: Pickover Clifford A
- Language: English
- Year: 2011
- Author: Pickover Clifford A
- Language: English
- Year: 2011
- Author: Pickover Clifford A
- Language: English
- Year: 2019
- Author: Pickover Clifford A
- Language: English
- Year: 2012
- Author: Pickover Clifford A
- Language: English
- Year: 2011
- Author: Pickover Clifford A
- Language: English
- Year: 2008
- Author: Pickover Clifford A
- Language: English
- Year: 2007