I have a number of original Corvette dealer sales brochures / catalogs. Prices less than most that you find on Ebay. Also Camaro, other Chevy, other GM, Ford, Dodge and others.

http://www.tomsautoliterature.com/servlet/the-Chevrolet-Brochures-cln-Corvette-Brochures/Categories

or email tomfog1@gmail.com