The Donald Walk Papers contain materials Walk collected while serving in the United States Navy in Antarctica during the United States' Operation Deep Freeze 61. These materials include 35mm slides, photographs, magnetic audio tapes of recordings Walk sent to his family while on assignment, 8mm film, administrative reports, clippings, medical research, correspondence, and Antarctic clothing and equipment documenting Walk's experience as a psychiatrist and administrator. The collection also contains clippings and other publications that Walk collected after his assignment was completed, and digitized copies of most of the collection materials on DVDs and compact discs. The collection is dated 1945-1969 and circa 2006-2008.