Output, employment, and productivity in the United States after 1800: studies in income and wealth volume thirty by the conference on research in income and wealth. 

 - New York :  NBER ,  1966 
 - xiv, 660 p. :  ill. ;  25 cm.  
 - Studies in income and wealth    vol.30 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Input output<br/>Production and productivity
<br/><br/><label>Dewey Class. No.: </label>339.23  / NBER-3