Murphy, John Stewart <br/><br/>
How they were built canals / 
John Stewart Murphy and Charles Keeping 
 - London :  Oxford University Press,  1961 
 - 31 p. :  ill. (incl. plans) ;  31 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concrete houses
<br/><br/><label>Dewey Class. No.: </label>627