We have 44 objects that William Justema 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/18046525/ |title=William Justema |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=20 November 2018 |publisher=Smithsonian Institution}}</ref>