We have 10 objects that Miss Bertha Schaefer 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/18053087/ |title=Miss Bertha Schaefer |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=16 July 2018 |publisher=Smithsonian Institution}}</ref>