00576nam a22001811 4500 1/13678 981007s1956 enk 000 0eng d 0836921267 14137 DLC GR-PeUP 330.01 RO Rogin, Leo. The meaning and validity of economic theory: A historical approach/ by Leo Rogin. New York: Books for Libraries Press, 1956. xvii, 697p.; 21cm. Index. Economics History. INST UNIPILB MAIN 20040709 330.01 RO 00129576 00129576 LOAN 0 1