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  1. Bee-keeping in Ontario
    By: Pettit, Morley. - Ontario.
    Publication info: Toronto :Dept. of Agriculture,1910.
    Contributed by: Canadiana.org (archive.org)
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  2. Bee-keeping in Ontario
    By: Pettit, Morley. - Ontario.
    Publication info: Toronto :Dept. of Agriculture,1911.
    Contributed by: Canadiana.org (archive.org)
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  3. Natural swarming of bees and how to prevent it
    By: Pettit, Morley. - Ontario.
    Publication info: Toronto :Ontario. Dept. of Agriculture,1915.
    Contributed by: Canadiana.org (archive.org)
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  4. Some results of cooperative experiments on races of bees to determine their power to resist European foul brood,
    By: Pettit, Morley.
    Publication info: Toronto,Printed by L. K. Cameron,1915.
    Contributed by: Cornell University Library
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  5. Some results of co-operative experiments on races of bees to determine their power to resist European foul brood
    By: Pettit, Morley. - Ontario.
    Publication info: Toronto :L.K. Cameron,1915.
    Contributed by: Canadiana.org (archive.org)
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  6. Wintering bees in four-hive boxes.
    By: Pettit, Morley. - Ontario Agricultural and Experimental Union.
    Publication info: Guelph,Ontario Agricultural and Experimental Union, Apiculture Division[19-?]
    Contributed by: Cornell University Library
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  7. The wintering of bees in Ontario
    By: Pettit, Morley. - Ontario.
    Publication info: Toronto :Ontario Dept. of Agriculture,1917.
    Contributed by: Canadiana.org (archive.org)
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  8. The wintering of bees in Ontario,
    By: Pettit, Morley.
    Publication info: Toronto, Ontario,1917.
    Contributed by: Cornell University Library
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