Guenther, Ernest,  1895- <br/><br/>
The essential oils / 
by  Ernest Guenther 
 - Florida :  Robert E. Krieger Publishing Company,  1948 
 - v. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/> Individual essential oils of the plant families rutaceae and labiatae  v. 3. 
<br/><br/><label>ISBN: </label>0882750739 (v.1) 0882751638 (v.3) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Essences and essential oils