Weeds Used in Medicine /By Alice Henkel
American Medicinal Barks, by Alice Henkel,...
Weeds Used in Medicine /By Alice Henkel
Peppermint
Wild Medicinal Plants Of The United States, by Alice Henkel
Le début pour moi... La fin pour toi
Découvrons la France
Le Debut pour moi ... la fin pour toi
American Root Drugs; Volume No.107
American Root Drugs
Our Henkel Family
American Medicinal Barks
Golden Seal ("Hydrastis Canadensis" L.), by Alice Henkel,... and G. Fred Klugh,...
The Cultivation and Handling of Goldenseal ("Hydrastis Canadensis" L.), by Alice Henkel,... and G. Fred Klugh,...
Bouillon Cubes
American Medicinal Flowers, Fruits, and Seeds
Experiment Station Work, XXIII
It's Quite Easy