Also, you may be able to get a Group City Specials (from AA's website)
Group & Meeting Travel, American's group sales organization, is pleased to offer additional discounts off our current group fares for groups of 10 or more traveling together between the cities listed below. These fares are lower than fares normally offered by Group & Meeting Travel. The destinations listed below are available for booking at Group City Specials rates through February 28, 1999, with all travel completed by May 31, 1999.

To receive this information monthly via e-mail, please forward a request to: Group and Meeting Travel E-mail

Contact American Airlines Group & Meeting Travel at 1-800-221-2255 today and save on flights between these cities and many others.

Of course, I seemed to cut this off before the city pairs.