Q. How do I find advertising spending and campaigns for a company or product?

Use the publication Encyclopedia of Major Marketing Campaigns. This encyclopedia presents short (3-5 page) descriptions of advertising campaigns.

For pre-2003 campaigns, use the publication Advertising Age Encyclopedia of Advertising in the Humanites/McLennan Library, third floor. This encyclopedia presents short descriptions of the history of a company's advertising practices. 

For digital campaigns, see The Best Digital Marketing Campaigns in the World. 

Search in the databases ABI INform or Business Source Complete for the company's name and 'advertising campaign'. 

See also the journal Advertising Age.