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  1. The Conference Called by the Governor of Pennsylvania to Consider Ways and Means for Preventing the Spread of the Chestnut Tree Bark Disease : the Capitol, Chamber of the House of Representatives, Harrisburg, Pennsylvania, February 20 and 21, 1912 : stenographic report of proceedings of the conference / reported by Guilbert $ Lewis.
    By: Pennsylvania Chestnut Blight Conference - Pearson, Raymond Allen, - Pennsylvania.
    Publication info: Harrisburg :C.E. Aughinbaugh, Printer to the State of Pennsylvania,1912.
    Contributed by: Gerstein - University of Toronto (archive.org)
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