Lado, Robert. , <br/><br/>
Lado English series / 
Robert Lado ; in collaboration with Jerome C. Ford ... [and others]. 
 - 6 volume :  illustrations (some color) ;  22 cm. 
<br/><br/><label>ISBN: </label>0135222699 0135222443 0135222850 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Study and teaching --Foreign speakers.
<br/><br/><label>LC Class. No.: </label>PE1128   / .L32 1989