Gagg, John. <br/><br/>
Canals in camera / 
John Gagg. 
 - Shepperton :  Allan,  1970. 
 - 127 p. :  ill., map. ;  25 cm. 
<br/><br/><label>ISBN: </label>0711001480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canals--Pictorial works.--Great Britain