Rushton, A. W. A. <br/><br/>
The cambrian trilobites from the purley shales of Warwickshire / 
A. W. A. Rushton 
 - London :  Palaeontographical Society,  1966 
 - 55 p. :  ill. ;  28 cm. 
<br/><br/> includes index  pages 1-55 : plates 1-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trilobites<br/>Palaeontology--United Kingdom