We have 12 objects that Pittsburg W.P. Co. 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://www-6.collection.cooperhewitt.org/people/34624601/ |title=Pittsburg W.P. Co. |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=26 June 2022 |publisher=Smithsonian Institution}}</ref>