Hoag, Erleen J.
Introductory economics / Erleen J. Hoag , John H. Hoag
Prentice-Hall, 1991
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Readings in economics
edited by K. William Kapp, Lore L. Kapp
Barnes & Noble, 1949
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Kohler, Heinz
Readings in economics
Alfred A. Knoff , 1961
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Commons, John R.
Institutional economics : its place in political economy / John R. Commons
Macmillan, 1934
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Samuelson, Paul A. (Paul Anthony), 1915-2009
Economics an introductory analysis
McGraw-Hill, 1985
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