Hewitt, J.T. <br/><br/>
Synthetic colouring matters dyestuffs derived from pyridine, quinoline, acridine and xanthene /(by) J.T. Hewitt.   
by J.T. Hewitt. 
 - London  Longmans  1922 
<br/><br/><label>Dewey Class. No.: </label>667.256  / N256