{{sfn|Webster|2014|p=}}

* {{cite book | last=Webster | first=J.P. | title=Vanishing Philadelphia | publisher=Arcadia Publishing | date=2014-08-19 | isbn=978-1-62585-134-5}}

<ref name="y326">{{cite book | last=Webster | first=J.P. | title=Vanishing Philadelphia | publisher=Arcadia Publishing | date=2014-08-19 | isbn=978-1-62585-134-5 | page=}}</ref>