- Author: Josiah Ober
- Language: English
- Year: 2008
- Author: Clinton Ober Stephen T. Sinatra Martin Zucker
- Language: English
- Year: 2010
- Author: K. Patrick Ober
- Language: English
- Year: 2003
- Author: William B. Ober
- Language: English
- Year: 1987
- Author: Josiah Ober
- Language: English
- Year: 2001
- Author: Clinton Ober Stephen T. Sinatra Martin Zucker
- Language: English
- Year: 2010
- Author: William B. Ober
- Language: English
- Year: 1987
- Author: William B. Ober
- Language: English
- Year: 1987
- Author: Josiah Ober
- Language: English
- Year: 1983