
- Author: Richard C. Stephens, Christy K. Scott, Randolph D. Muck, Randolph D. Muck
- Language: English
- Year: 2002

- Author: William Richard Wood Stephens, Clinton Bennett
- Language: English
- Year: 2009

- Author: Richard B. Stephens Xiao Liu
- Language: English
- Year: 2021

- Author: Judith A Levy Richard C Stephens Duane C McBride
- Language: English
- Year: 2000