7[12]Richard M.Salsman,1990:Breaking The Banks:Central Banking Problems and Free Banking Solutions,Published by American Institute for Economic Research,pp39.
8[13]Sidney Ratner,James Soltow and Richard Sylla:The Evolution Of The American Economy,Basic Books,Inc,Publishers,New York,1979.
9[14]Thomas Weiss,Donald Schaefer:American Economic Development in Historical Perspective,Stanford University Press,1994.
