First Floor Plan Photograph Published 15/03/2011 at 4092 × 3000 in Old Plans, New Graphics ← Previous Next → Magaziner, Eberhard & Harris, First Floor Plan, YWCA Building, Sesquicentennial, Philadelphia, 1926. Drawing dated March 10, 1926. Sheet 1. MEH.548.006, Athenaeum of Philadelphia Archives, Philadelphia.
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