This collection includes photographs of World War II Civilian Public Service (CPS) camps, including camps 21 (Cascade Locks, OR), 51 (Ft. Steilacoom, WA), and 95 (Buckley, WA). Most photographs were taken by Henry Blocher. The collection also includes Henry Blocher's CPS correspondence from 1942-1946, as well as his collected publications and materiel related to CPS and pacifism.