- Author: University of Alabama, Burke Monte, Saban Nick
- Language: English
- Year: 2015
- Author: University of Alabama, Barra Allen, Bryant Paul W
- Language: English
- Year: 2005
- Author: Rugby Football Union, Collins Tony
- Language: English
- Year: 2019
- Author: Peterson Robert W
- Language: English
- Year: 1996
- Author: Smith Mike
- Language: English
- Year: 2014
- Author: Harvard University, Yale University, Colt George Howe
- Language: English
- Year: 2018
- Author: Zirin Dave
- Language: English
- Year: 2014
- Author: Blainey Geoffrey
- Language: English
- Year: 2010
- Author: Barnes David, Cain Nick, English Tom, Jones Stephen
- Language: English
- Year: 2013
