We have one object that Hermann Ratzerdorfer 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/18045403/ |title=Hermann Ratzerdorfer |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=17 July 2018 |publisher=Smithsonian Institution}}</ref>