1. The force option: Counter-terrorist forces of the world, Part I;Kolman;The Tactical Edge,1984
2. FBI SWAT paramedics;Murphy;The Tactical Edge,1989
3. 10. City of Canton v. Harris et al:, United States Supreme Court No. 86–1068. Daily Appellate Report, 2 March 1989, pp 2499–2505.
4. Into the Fray: The search and rescue role with special weapons teams;Quinn;Response,1987