Ward, Henry Baldwin <br/><br/>
Fresh water biology 

 - 2nd ed. 
 - New York  John Willey and Sons  1918 
 - ix,1111p.;  22cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789333151566(hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574.929  / WAR