Haunold, Alfred ; Nickerson, Gail B ; Gampert, Ulrich. Oregon Hops & Brewing Archives; OSU Special Collections & Archives Research Center; Agricultural Experiment Station Records, 1889-2002 (RG 025).
,
1995
Haunold, Alfred ; Nickerson, Gail B ; Gampert, Ulrich. Oregon Hops & Brewing Archives; OSU Special Collections & Archives Research Center; Agricultural Experiment Station Records, 1889-2002 (RG 025).
,
1994