We have 226 objects that Jeffrey & Company 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://www-6.collection.cooperhewitt.org/people/18046407/ |title=Jeffrey & Company |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=11 November 2019 |publisher=Smithsonian Institution}}</ref>