Ad Age Data Center offers profiles of top advertisers, agency and media family tree reports, advertising spending data, industry contacts, ad industry job market data and ranked lists of top media markets and media formats.
Special Note: Selected sections of the site, such as white papers, require independent subscription or user registration as an individual, apart from the institutional subscription maintained by the UNC at Chapel Hill University Libraries
UNC-CH users only
https://guides.lib.unc.edu/go.php?c=23609096