1. Playing blackjack to win: A new strategy for the game of 21;Baldwin,1957
2. The optimum strategy in blackjack;Baldwin;Journal of the American statistical association,1956
3. The psychology of gambling;Bergler,1970
4. Gambling and the gambler;Bolen;Archives of general psychiatry,1968
5. An attempt to demonstrate utility of gambling;Burisch;Acta psychologica,1970