The Daniel and Barbara Clark papers houses the personal papers of Daniel and Barbara Clark. This collection, which dates from 1967 to 2024, consists of organizational records, publicity, newspaper clippings, and legal records, evidencing the many organizations with which the Clarks were involved. These organizations include Peace Brigades International, an international nonviolent accompaniment team, The Star Project, a criminal justice reform and reentry organization, and the Walla Walla Alliance for the Homeless, an organization that provides shelter and services to the homeless. The collection also includes records related to Daniel Clark's pro bono work defending protesters arrested at the Hanford site in the 1980s.