- Author: Allan Siegel
- Language: English
- Year: 2013
- Author: Allan Siegel Hreday N. Sapru
- Language: English
- Year: 2014
- Author: Allan Siegel Hreday N. Sapru
- Language: English
- Year: 2010
- Author: Allan Siegel
- Language: English
- Year: 2001
- Author: Allan Siegel Hreday N. Sapru
- Language: English
- Year: 2010
- Author: Allan Siegel
- Language: English
- Year: 2004
- Author: Allan Siegel
- Language: English
- Year: 2007
- Author: Allan Siegel
- Language: English
- Year: 2001