Monetary Statistics of the United States, Estimates, Sources, Methods. By Milton Friedman and Anna J. Schwartz. New York: National Bureau of Economic Research, 1970. Pp. xx, 629. $15.00. - Varieties of Monetary Experience. Edited by David Meiselman. Chicago: University of Chicago Press, 1970. Pp. 391. - Monetary Experiments, Early American and Recent Scandinavian. By Richard A. Lester. Newton Abbot: David and Charles, 1970 (originally published Princeton: Princeton, University Press, 1939). 84s.