The Peter E. Palmquist Working Photograph Collection contains approximately 5,000 images from Northwest California, especially Humboldt County. 3,700 of these images can be viewed in Special Collections at the Cal Poly Humboldt Library and searched through the Cal Poly Humboldt Digital Archive. Here is the list of subjects used. There is a close association between this collection and major portions of the Peter E. Palmquist Photograph Collection at the Beinecke Rare Book and Manuscript Library at Yale University.

Consult the finding aid for more information about the collection.

A report on the relationship of the Palmquist collections at the Humboldt Library and Beinecke Rare Book and Manuscript Library. See also the Palmquist/Yale Digital Collection.

More information about both Palmquist and his work can be found at the Palmquist Photo Research Fund website.