Perkin, Arthur George <br/><br/>
Natural organic colouring matters 

 - London:   Longmans Green and Co.,   1918 
 - xxii, 655p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Tannins Indole group 
<br/><br/><label>Universal Decimal Class. No.: </label>667.2  / E8