http://tobaccodocuments.org/bliley_rjr/500004925-4928.html
Dowdell, J.S. "Memorandum Concerning Scientific Research Prepared by RJR Employee and Copied to RJR Employee and RJR in-House Legal Counsel Which Reflects the Substance of Confidential Attorney-Client Communications.". 13 Mar 1972. Bates: 500004925-500004928.
http://tobaccodocuments.org/bliley_rjr/500004925-4928.html