Gross, David. <br/><br/>
"Gold in your backyard", 
by David Gross ... 
 - New York, N.Y.,  Isaac Goldmann company,  1934. 
 - 48 p.  21 cm. 
<br/><br/><label>LCCN: </label>ca 35000023  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions.<br/>Success.
<br/><br/><label>LC Class. No.: </label>T212  / .G65