We have 17 objects that Mr. Whitney Hartshorne has been involved with.

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<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/people/18059655/ |title=Mr. Whitney Hartshorne |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=6 April 2025 |publisher=Smithsonian Institution}}</ref>