Verson Harcourt, Levson Fraccis <br/><br/>
A treatise on rivers and canals :  relating to the control and improvement of rivers and the design, construction and development of canals / 
Levson Fraccis Verson Harcourt 
 - Oxford :  Claredon Press ,  1882 
 - xi,352  ;  21 cm. 
 - Clarendon Press series ; .
<br/><br/>vol.1-text