- Author: Dorothy G. Singer, Jerome L. Singer
- Language: English
- Year: 2009
- Author: Dorothy G. Singer, Jerome L. Singer
- Language: English
- Year: 2009
- Author: Nancy E. Dowd, Dorothy G. Singer, Robin Fretwell Wilson
- Language: English
- Year: 2005
- Author: Dorothy G. Singer Jerome L. Singer
- Language: English
- Year: 1990
- Author: Dorothy G. Singer Jerome L. Singer
- Language: English
- Year: 2007
- Author: Dorothy G. Singer Tracey A. Revenson
- Language: English
- Year: 1996