John, H.S.  <br/><br/>
Nomenclature of plants: a text for the application by the case method of the International code of botanical nomenclature  (Book) 

 - New York  The Ronald Press  1958 
 - 157 p.  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Nomenclature
<br/><br/><label>Universal Decimal Class. No.: </label>58.001.4 JOH  / 14098