Schoonover, Lois Margaret. <br/><br/>
A stratigraphic study of the mollusks of the Calvert and Choptank formations of southern Maryland ... 
by Lois Margaret Schoonover. 
 - Ithaca, N.Y.,  Paleontological research institution,  1941. 
 - 134 p.  12 pl., fold. tab.  25 cm. 
 - Bulletins of American paleontology, v. 25, no. 94B .
<br/><br/> Vita. 
<br/><br/>Thesis (Ph. D.)--Bryn Mawr college, 1940. 
<br/><br/>Bibliography: p. 107-110. 
<br/><br/><label>LCCN: </label>gs 41000069  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mollusks, Fossil.<br/>Paleontology--Miocene.<br/>Paleontology--Maryland.
<br/><br/><label>LC Class. No.: </label>QE801  / .K44 
<br/><br/><label>Dewey Class. No.: </label>564.1