Ritterbush, Phillip C. <br/><br/>
The Art of organic forms /  
Phillip C. Ritterbush. 
 - Washington :   Smithsonian institution,  c 1968.  
 - v, 149 p. :  ill. ;   26 cm.  
<br/><br/> Includes index. 
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Biology in art. <br/>Form (Aesthetics).
<br/><br/><label>Dewey Class. No.: </label>708 / R515a