http://tobaccodocuments.org/bliley_rjr/500004538-4539.html
Austern, H.T.; Covington Burling. "Correspondence Concerning Smoking and Health Issues Prepared by RJR Outside Legal Counsel Rendering Legal Advice to TI Employee.". 24 Nov 1970. Bates: 500004538-500004539.
http://tobaccodocuments.org/bliley_rjr/500004538-4539.html