We have one object that Margaret Barnholt, American 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/34624661/ |title=Margaret Barnholt, American |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=18 December 2018 |publisher=Smithsonian Institution}}</ref>