[William Penn High School] [Philadelphia Board of Education] (Rollin R. La France, photographer) Mitchell / Giurgola (Philadelphia Office) Collection, Architectural Archives, University of Pennsylvania. Local ID #: aaup.015.V.073.2
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[William Penn High School] [Philadelphia Board of Education] (Rollin R. La France, photographer) Mitchell / Giurgola (Philadelphia Office) Collection, Architectural Archives, University of Pennsylvania. Local ID #: aaup.015.V.073.1
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[William Penn High School] [Philadelphia Board of Education] (Rollin R. La France, photographer) Mitchell / Giurgola (Philadelphia Office) Collection, Architectural Archives, University of Pennsylvania. Local ID #: aaup.015.V.073.3
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