American International Specialty Anaylsis, June 2000 Edition
American Mutual Umbrella Liability Analysis, June 1982 Edition
Hanover Insurance Commercial Umbrella Analysis, September 1998 Edition
United Pacific/Reliance Excess Umbrella Coverage Analysis, November 1985
Andover Insurance Business Owners Umbrella Liability Analysis, April 1991 Edition
Associated International Umbrella Analysis, March 1993 Edition
National Union Fire Insurance Commercial Umbrella Liability Analysis, June 1993 Edition
General Accident Insurance Company Excess Catatrophe Liability Analysis, August-October 1989 Edition
Liberty Mutual Insurance Umbrella Excess Liability Analysis, September 1987
Insurance Services Office Commercial Umbrella Analysis, September 2000 Edition