Sheff, Donald A. <br/><br/>
Secretarial English / 
by Donald A. Sheff. 
 - New York :  Regents Publishing Company,  1064, 
 - 156 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engliah languag--Business English.<br/>English language--Grammar--1950.