Dunson, Edward. “30th Street Station” National Register of Historic Places Inventory—Nomination Form 3 de febrero de 1978.[1]
Kyriakodis, Harry. "The Subways, Railways and Stations of Philly: Written Material to Accompany a Mostly-Underground Tour from 30th Street Station to Market East Station". The Pensilvania Railroad Technical and Historical Society. 9 de febrero de 2007 [2].