We have one object that Berthold Müller & Son 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://collection.cooperhewitt.org/people/18535591/ |title=Berthold Müller & Son |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=25 October 2020 |publisher=Smithsonian Institution}}</ref>