Roughley, T C <br/><br/>
Oyster culture on the George's river, new South Wales  

 -  Government of New South Wales,   1922 
 - 69p.  
 - Technical education series  25 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Cultivation  
<br/><br/><label>Universal Decimal Class. No.: </label>639.41   / F2