Max H. Hey, M.A., D.Sc <br/><br/>
Appendix to the second edition of an index of mineral species and varieites 

 - London  The trustees of the British museum  1963 
 -  xii, 135p. ; 24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>1963
<br/><br/><label>Universal Decimal Class. No.: </label>9  / CC20.1