American men of science:   A biographical directory (P - Sr) 
/ R R Bowker Company 
 - 10th ed. 
 - New York:   R R Bowker Company,   1967 
 - 4021-5100p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Subjects--Index Terms: </label>Science 
<br/><br/><label>Universal Decimal Class. No.: </label>R 92:5(73)  / K7