We have one object that Preservation Alliance for Greater Philadelphia has been involved with.

If you would like to cite this person in a Wikipedia article please use the following template:

<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/974278851/ |title=Preservation Alliance for Greater Philadelphia |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=11 August 2022 |publisher=Smithsonian Institution}}</ref>