How much is spent to advertise a brand of coffee or a specific car model? Has spending on Internet advertising outpaced direct mail and outdoor advertising expenditures? Look for answers to questions like these in the sources listed below.
[Note: Winmo - previously named as Advertising Red Books. Ad$pender is discontinued. Try Insider Intelligence - previously named as eMarketer for advertising spending.]
Advertising Ephemera
Collection #CK0029
Emergence of Advertising Project
Duke University Library
http://library.duke.edu/digitalcollections/eaa/