(1957) ONE-WAY FORMULA for Trading in Stocks and Commodities by William Dunnigan
(1957) ONE-WAY FORMULA for Trading in Stocks and Commodities by William Dunnigan
(1972) Realistic Stock Market Speculation by E.S.C. Coppock RARE Reprint
(1985) Commodity Chart Trading System by RICHARD C. ALLEN, Reprint