Ward, Dederick C. <br/><br/>
Bibliography & theses in geology 1965-1966 / 
by Dederick C. Ward and T.C. O'Callaghan 
 - Washington :  American Geological Institute,  1969 
 - 255 p. ;  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--United States--Bibliography<br/>Geology--Canada--Bibliography<br/>Dissertations, Academic--United States--Bibliography<br/>Disertations, Academic--Canada--Bibliography