We have 22 objects that Wm. Campbell Wall Paper Company has been involved with.

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<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/people/18046651/ |title=Wm. Campbell Wall Paper Company |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=5 December 2020 |publisher=Smithsonian Institution}}</ref>