Essays on interest rates / 
edited by Jack M. Guttentag and Phillip Cagan. 
 - New York :  National Bureau of Economic Research,  1969. 
 - National Bureau of Economic Research. General series ;  no. 38 .
 - General series (National Bureau of Economic Research) ;  no. 38 .
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interest and usury -- United States.--Interest and usury -- United States.