Hupy's activities during this time are summarized by the University of Washington Libraries:

University of Washington Libraries.

Photograph of the synagogue, University of Washington Libraries Digital Collections.

At the Labor Archives of Washington, University of Washington Libraries.

University of Washington Libraries Special Collections.

University of Washington Libraries - image of old Fort Boise (c. 1849)

Students conduct research at the University of Washington Libraries twice per year for U.S. History and academic writing projects.

At the University of Washington Libraries Special Collections.

This collection is housed at the University of Washington Libraries Special Collection Division.

The University of Washington Libraries also has a collection of his work.