The Herwil M. Bryant Papers, dated circa 1930s-circa 2000s, contain materials that Herwil M. Bryant created or collected while serving on the United States Antarctic Service Expedition from 1939-1941. This includes his journals, both the handwritten originals and photocopies and typed transcriptions of the originals. Also included are photographs, negatives, and photographic slides that he created during the expedition as well as correspondence, notes, press clippings, objects, and ephemera. In addition, the papers contain notes and other materials related to lectures Bryant gave about Antarctica and his experiences during the U.S. Antarctic Service Expedition, including lectures he gave aboard Antarctic cruises. Photographs he took during Antarctic cruises are also included. There are two USB flash drives that contain digital files of Bryant’s U.S. Antarctic Service Expedition journals and photographs as well as narrations he recorded after the expedition. Also included is an unidentified reel of 16mm film.

The Ernest Earl Lockhart Papers, which dates from 1933-1955 and 1988-2001, contains biographical information, diary and journal entries, correspondence, reports, clippings, articles, films, and photographs, which document Lockhart's experience as a member of the United States Antarctic Service Expedition, 1939-1941. The materials that date from 1988-2001 concern Lockhart's attendance at an event that commemorated Byrd's 100th birthday in 1988, requests for his expedition films so they can be included in a documentary, and a postal cover guide regarding the designs of the mail sent during the expedition.