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Theory and measurement of rent
Kurnow, Ernest, (1961)
Conglomerates
Segal, Harvey H., (1969)
[Besprechung von:] Canals and American economic development. [Verf.:] Carter Goodrich; H. Jerome Cranmer; Julius Rubin, and Harvey H. Segal. New York 1961. Miller, Nathan: The enterprise of a free people: aspects of economic development in New York State during the canal period, 1792-1838. Ithaca 1962
Gray, Horace M., (1962)