Taylor, James Howard. <br/><br/>
Petrology of the Northampton sand ironstone formation. 

 - London,  H. M. Stationery Off.,  1949. 
 - vi, 111 p.  illus., plates (part col.)  25 cm. 
 - Memoirs of the Geological Survey of Great Britain: The Mesozoic ironstones of England .
 - Geological Survey of Great Britain.  Memoirs: The Mesozoic ironstones of England. .
<br/><br/>"List of references": p. 91-96. 
<br/><br/><label>LCCN: </label>gs 50000293  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology--England--Northampton.<br/>Iron ores--Great Britain.
<br/><br/><label>LC Class. No.: </label>TN405.G7  / T38 
<br/><br/><label>Dewey Class. No.: </label>553.3