Gruber, Edward C. <br/><br/>
English grammar :  1000 steps / 
By Edward C. Gruber ; Consultants : William Jassey, Kay Hampares. 
 - New York :  Arco Publ. Co., Inc.,  1970. 
 - x, 282 p.  26 cm. 
<br/><br/> Includes index.  A "New" grammar using the programmed learning method - Cover 
<br/><br/><label>ISBN: </label>0668020121 0668020113 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Programmed instruction<br/>English language--Grammar--Problems, exercises, etc