Robertson, Horace O <br/><br/>
Business letter English 
H. O. Robertson and Vernal H. Carmicheal. 
 - New York  Gregg Pub. Co.  [1949] 
 - xii, 502 p.  illus. 
<br/><br/> -----Teacher's manual...by H. O. Robertson and Vernal H. Carmicheal. New York, Gregg Pub. Co. [1950] 175 p. 23 cm. PE1115.R55 Manual 
<br/><br/><label>LCCN: </label>49049672 /REV 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1870-<br/>Commercial correspondence<br/>English language--Composition and exercises.
<br/><br/><label>Dewey Class. No.: </label>651.74