- Author: Daniel C. Taylor, Carl E. Taylor
- Language: English
- Year: 2003
- Author: Imani Silver Kyaruzi
- Language: English
- Year: 2008
- Author: Adrian Ziderman
- Language: English
- Year: 2003
- Author: J.M. Pogodzinski, Richard M. Kos, Richard M Kos
- Language: English
- Year: 2012
- Author: William A. Sundstrom, Timothy W. Guinnane, Warren C. Whatley
- Language: English
- Year: 2003
- Author: Joseph E. Stiglitz, Aaron Edlin, J. Bradford DeLong
- Language: English
- Year: 2011
- Author: F.M. Scherer, Michael Bett, Robert Rogers
- Language: English
- Year: 1999