1. November 11 1990. November 11, Co-Investigator Letter 2, from Joe DiFranza, research file of Dr. Joseph DiFranza discovered in connection with Mangini, Janet C. v. R. J. Reynolds Tobacco Company; R.J.R. NABISCO, Inc.; McCann-Erickson USA, Inc.; Young and Rubicam Inc., Superior Court of the State of California, City and County of San Francisco, Case No. 939 359 (1992)
2. Detroit Free Press. 1993.“Say No to Joe Camel,”1-E March 17
3. RJR Nabisco's Cartoon Camel Promotes Camel Cigarettes to Children