References:
"Yellow Light" The Informant Nov. 1976 pg. 4 (Notes)
"Brad Harrison" Market Reports Newsletter Vol. 5 No. 2-3 Apr. 18, 1977 pg. 7 (Notes)
"Market Warnings" Market Reports Newsletter Vol. 5 No. 6-7 Sep. 27, 1977 pg. 7 (Notes)
"Bulletin 77/4" Market Reports Newsletter Dec. 16, 1977 pg. 1