W. W. Stockberger

• As I see it
• Some conditions influencing the yield of hops
• Some effects of refrigeration on sulphured and unsulphured hops
• The necessity for new standards of hop valuation
• The presence of arsenic in hops
• The works of Warner W. Stockberger ... with biographical memoir and bibliography ... Memorial volumes collected and arranged by the Forest service in cooperation with the Library, August 1, 1944
• Drug plants under cultivation
• Ginseng culture
• Growing and curing hops
• Tannin plants of Paraguay
• The drug known as pinkroot
• The geographic distribution of tannin plants