We have 3 objects that Ms. Marilyn Hapgood has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18041277/ |title=Ms. Marilyn Hapgood |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=22 April 2019 |publisher=Smithsonian Institution}}</ref>