United Pacific/Reliance Excess Umbrella Coverage Analysis, November 1985
Associated International Umbrella Analysis, March 1993 Edition
Insurance Services Office Commercial Umbrella Analysis, September 2000 Edition
Lloyd's of London Umbrella Liability Analysis, May 1983 Edition
Commercial Union Insurance Umbrella Analysis, May 1987 Edition
General Star Indemnity Commercial Umbrella Analysis, April 1990 Edition
Admiral Insurance Analysis, August 1982 Edition
Kemper Group Comprehensive Catastrophe Liability Coverage Analysis, June 1990 Edition
EMC Insurance Commercial Umbrella Coverage Analysis, October 1993 Edition
Industrial Underwriters Umbrella Liability Analysis, April 1987 Edition