We have 39 objects that P. and D. Colnaghi and Co., Ltd. has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18536707/ |title=P. and D. Colnaghi and Co., Ltd. |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=29 July 2021 |publisher=Smithsonian Institution}}</ref>