Primary Source Sets
http://hdl.loc.gov/loc.award/ncdeaa.SB0014
19th Century Advertising:
The Shift from Producing What was Needed to Creating a Need for What was Produced
The Shift from Producing What was Needed to Creating a Need for What was Produced
http://www.loc.gov/pictures/item/90716345/
http://www.thebigdeacon.com/martin.htm
