His papers are at the University of Washington Library in Seattle.

They were the Irish suppliers to the Washington Library of Congress.

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

Pike Place Market media images, University of Washington Library.

In one stroke this elevated the Washington Library to eminence in the field of Elizabethan literature.

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

At the University of Washington Libraries Special Collections.

The University of Washington Library holds copies of the Kitsap Sun from 1935 to date.

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

University of Washington Library - Special Collections.