- Author: Bob Willis, Mike Dickson
- Language: English
- Year: 2020
- Author: Stuart Hall Dorothy Hobson Andrew Lowe Paul Willis
- Language: English
- Year: 1980
- Author: Greg Holden, Scott Willis, Scott Wills
- Language: English
- Year: 2001
- Author: Jerry W. Willis, Claudia Edwards
- Language: English
- Year: 2014
- Author: Brenda Stewart, Lou Willis, M B Dabney, Mark Zacharias
- Language: English
- Year: 2010
- Author: Martin Willis
- Language: English
- Year: 2013
- Author: Willis Barnstone
- Language: English
- Year: 1972
- Author: Frank Eckardt, Jens Geelhaar, Laura Colini, Konstantinos Chorianopoulos, Katharine S. Willis, Ralf Hennig
- Language: English
- Year: 2008