Tryon, George Washington <br/><br/>
Structural and Systematic Conchology  an Introduction to the Study of the Mollusca /  [microform] : 
George Washington Tryon 
 - Philadelphia :  [s.n.],  1882 - 1884 
 - 27 microfiches :  positive ;  11 X 15 cm. 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Project : Monographs