Keirstead, B. S.  1907- <br/><br/>
The theory of economic change / 
B. S. Keirstead. 
 - Toronto :  Macmillan Co. of Canada,  c1948. 
 - xi, 386 p. :  diagrs. ;  22 cm. 
<br/><br/>Includes index and Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330.16  / KET