We have 2 objects that Hedwig Bollhagen 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-4.collection.cooperhewitt.org/people/18538529/ |title=Hedwig Bollhagen |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=30 November 2022 |publisher=Smithsonian Institution}}</ref>