Consists of papers of Bleakney, Princeton professor of physics (1932-1969) and chairman of the physics department (1960-1967). Included are published and unpublished reports, drafts of articles, graphic data and photographs of experiments, and other material concerning Bleakney's defense-related research on shock waves at the Princeton Gas Dynamics Laboratory, as well as lecture notes and correspondence. Additions to the papers include personal and general correspondence, reports, research papers, Bleakney's notes while at the University of Minnesota, Princeton University lectures and notes for classes, and correspondence related to his involvement in various research and defense organizations, such as the National Defense Research Committee, the National Research Council, Sandia Corporation, the Atomic Energy Commission, and the Office of Naval Research.