Cortada, James W. <br/><br/>
Before the computer :  IBM, NCR, Burroughs, and Remington Rand and the industry they created, 1865-1956 / 
James W. Cortada. 
 - Princeton, N.J. :  Princeton University Press,  c1993. 
 - xx, 344 p. :  ill. 
 - Princeton studies in business and technology .
<br/><br/><label>ISBN: </label>069104807X (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office equipment and supplies industry--History.--United States<br/>Electronic office machine industry--History.--United States