We have 3 objects that Fritz August Breuhaus de Groot has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18046551/ |title=Fritz August Breuhaus de Groot |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=11 December 2018 |publisher=Smithsonian Institution}}</ref>