Showing 1 - 2 results of 2 for search 'Gemmell, Alfred, 1916-', query time: 0.05s Refine Results
  1. 1
    Author: Gemmell, Alfred, 1916-
    Published 1949
    In collection: Published Materials
    Thesis Book

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    The charcoal iron industry in the Perkiomen Valley
  2. 2
    Author: Gemmell, Alfred, 1916-
    Published 1949
    In collection: Published Materials
    Thesis Microfilm Book

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    The charcoal iron industry in the Perkiomen Valley microform

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