Mager, Nathan H., 1913- <br/><br/>
The complete letter writer / 
compiled and edited by N.H. and S.K. Mager. 
 - New York :  Pocket Books,  c1968. 
 - viii, 310 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Letter-writing.<br/>Commercial correspondence.