http://tobaccodocuments.org/ctr/HT0119250-9252.html
"Contract No. 30 Agreement Between the Council for Tobacco Research-U.S.A., Inc and Microbiological Associates [Agreement Extends Contract; 780901 Thru 790831 for Mai Proposed Studies of Smoke Inhalation Carcinogenesis in Mice Dated 780824]". 26 Sep 1978 (est.). Bates: HT0119250-HT0119252.
http://tobaccodocuments.org/ctr/HT0119250-9252.html