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Publications by L.J. Simpson

16 records.

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Title format: Title | Full citation
Atlantic provinces
Davidson, A.G.; Newell, W.R.; Simpson, L.J.
Year: 1962    Catalog ID: 8279
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Trap light operations in New Brunswick 1945-1954
Simpson, L.J.
Year: 1955    Catalog ID: 8210
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Control of white pine weevil with DDT - Maritime Provinces
Simpson, L.J.
Year: 1952    Catalog ID: 8333
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Borer injury in burned timber - Maritime Provinces
Simpson, L.J.
Year: 1949    Catalog ID: 8331
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Control of white pine weevil with DDT - Maritime Provinces
Simpson, L.J.
Year: 1949    Catalog ID: 8332
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Borers in burned logs - Maritimes Provinces
Simpson, L.J.
Year: 1947    Catalog ID: 8329
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Control of borers in logs with DDT - Maritime Provinces
Simpson, L.J.
Year: 1947    Catalog ID: 8330
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The European spruce sawfly outbreak in the Gaspe-Peninsula
Balch, R.E.; Simpson, L.J.; Prebble, M.L.
Year: 1934    Catalog ID: 6945
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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A European sawfly (Diprion polytomum (Hartig)) attacking spruce in the Gaspe-Peninsula, Quebec
Balch, R.E.; Simpson, L.J.
Year: 1932    Catalog ID: 6944
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Insects of the season 1931 in New Brunswick
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1932    Catalog ID: 7128
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The effect of the birch leaf skeletonizer and the sawfly leaf-miner on the growth of birches in New Brunswick
Simpson, L.J.
Year: 1932    Catalog ID: 7451
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Effect of defoliation on larch
Simpson, L.J.
Year: 1931    Catalog ID: 7450
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Insects of the season 1928 in New Brunswick
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1929    Catalog ID: 7126
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Insects of the season 1929 in New Brunswick
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1929    Catalog ID: 7127
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The seasonal history of Dendroctonus simplex Lec
Simpson, L.J.
Year: 1929    Catalog ID: 7448
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The seasonal history of Polygraphus rufipennis Kirby
Simpson, L.J.
Year: 1929    Catalog ID: 7449
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.