Clarke, Robert,  1931- <br/><br/>
Ellen Swallow :  the woman who founded ecology / 
Robert Clarke. 
 - Chicago :  Follett Pub. Co.,  1973. 
 - xii, 276 p. ;  23 cm. 
<br/><br/>Includes bibliography. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0695803883 
<br/><br/><label>LCCN: </label>73082198  
<br/><br/><label>Subjects--Personal Names: </label><br/>Richards, Ellen H., 1842-1911. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Women scientists--Biography.<br/>Ecology--Biography.