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The Cultivation and Handling of Goldenseal ("Hydrastis Canadensis" L.), by Alice Henkel ... and G. Fred Klugh ...

G. Fred KlughAlice Henkel

出版	U.S. Government Printing Office, 1908
URL	http://books.google.com.hk/books?id=K5N4QwAACAAJ&hl=&source=gbs_api