Jackson,Robert,Tracy <br/><br/>
FOSSIL ECHINI OF THE PANAMA CANAL ZONE AND COSTA 

 - goverment printing office  washington   1917 
 - 2p. : 6 ill ; 24 cm 
 - Vol 53 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>THE CRINOIDS OF THE MUSEUM FUFER NATURKUNDE BERLIN <br/>Clark,Austin,Hobart <br/>2 c 6 <br/>1917<br/>science 
<br/><br/><label>Universal Decimal Class. No.: </label>2  / C6