Hancock, James. <br/><br/>
The herons of the world / 
James Hancock and Hugh Elliott. 
 - London :  London editions,  1978. 
 - 304 p. :  ill. ;  34 cm. 
<br/><br/><label>ISBN: </label>0905562054 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herons.