Learned, Edmund P. <br/><br/>
Executive action / 
Edmund P. Learned, David N. Ulrich and Donald R. Booz 
 - Boston :  Harvard University Press,  1951 
 - xiii, 218 p. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Impersonation<br/>Presidents