Polack, Samuel P. <br/><br/>
Tunnels, 
by Samuel P. Polack and I.C.S. staff. Serial 5752-5. 
 - Scranton,  International Correspondence Schools  [1969] 
 - 148, 5 p.  illus.  20 cm. 
<br/><br/><label>LCCN: </label>79023769 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnels.
<br/><br/><label>LC Class. No.: </label>TA805  / .P65 1969