Sorenson, Grace. <br/><br/>
The mysterious friends,  a two-act play for the upper grammar grades and junior high schools, 
by Grace Sorenson ... 
 - Chicago,  T.S. Denison & Company  [1928] 
 - 47 p.  diagr.  18 cm. 
 - Denisons̕ juvenile plays .
<br/><br/><label>LCCN: </label>ca 36001740  
<br/><br/><label>LC Class. No.: </label>PN6120.A5  / S74 
<br/><br/><label>Dewey Class. No.: </label>812.5