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• Survival of Blister-rust Mycelium in Western White Pine Harry Gray Lachmund

  Survival of Blister-rust Mycelium in Western White Pine

  Harry Gray Lachmund and J. R. Hansbrough

  1934

• The T̲y̲m̲p̲a̲n̲i̲s̲ canker of red pine J. R. Hansbrough

  The T̲y̲m̲p̲a̲n̲i̲s̲ canker of red pine

  J. R. Hansbrough

  1936

• A new canker disease of red pine, caused by tympanis pinastri J. R. Hansbrough

  A new canker disease of red pine, caused by tympanis pinastri

  J. R. Hansbrough

  1935

• Oak wilt (Chalara quercina Henry) J. R. Hansbrough

  Oak wilt (Chalara quercina Henry)

  J. R. Hansbrough

  1950

• Forest disease problems in the Northeast J. R. Hansbrough

  Forest disease problems in the Northeast

  J. R. Hansbrough

  1948

• The dying of beech in 1934 Perley Spaulding

  The dying of beech in 1934

  Perley Spaulding and J. R. Hansbrough

  1935

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