We have 2 objects that Johannes Theodoor Toorop has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18043345/ |title=Johannes Theodoor Toorop |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=26 November 2020 |publisher=Smithsonian Institution}}</ref>