Advertising Rates and Data

Standard Rate and Data Service (SRDS) Publications
Information sources for advertising purposes which includes information on circulation, advertising rates, newspapers, magazines, computer and community publications, radio and television, and other media. Updated frequently. Available to library users and to researchers with a Penn State Access Account.

Advertising Age
Features "100 Leading National Advertisers" with comprehensive ad spending estimates for the top 100 ad spenders (under "Marketers/Advertisers" link.)

Adweek
"Industry Reports" provide billing/revenue information as well as brief analyses of different agencies' successes.

Agency ComPile [Requires free registration.]
Provides agency information and is searchable by name, client, location, billing, industry experience, etc.

Telmar [Requires free registration.]
Provides access to a variety of media information data sets.