Ayres, C. E. <br/><br/>
The theory of economic progress :  a study of the fundamentals of economic development and cultural change / 
C. E. Ayres 
 - 2nd ed. 
 - New York :  Schocken Books,  c1962. 
 - 317 p. ;  21 cm. 
 - Schocken paperbacks, SB33 .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171  / .A9 1962 
<br/><br/><label>Dewey Class. No.: </label>330.1  / A985t