The Paul A. Siple Papers, which dates from 1920-2005, contains photographs, correspondence, a scrapbook, newspaper clippings, periodicals, records, artifacts, postal covers relating to Paul's polar experiences. This includes his expeditions with Richard E. Byrd, including Byrd Antarctic Expedition I, 1928-1930 and later polar expeditions such as International Geophysical Year, 1957-1959. The collection also contains periodicals, correspondence and artifacts that show Paul Siple's connection to the Boy Scouts of America. In addition to correspondence with her husband, the collection also contains photographs and articles from and of his wife, Ruth Siple relating to her Antarctican activities and her travel to New Zealand.

The Joe Hill Papers date from 1927 to 1999, with most of the collection dated between 1933 and 1936, and document Hill's time in Antarctica as a member of the Byrd Antarctic Expedition II, as well as materials gathered following this time related to Antarctica. The papers include a scrapbook documenting Hill's work to join the expedition as well as newspaper clippings about the expedition itself. Approximately 140 glass slides with black and white images of Hill's time in Antarctica are also included, as well as correspondence received by his parents while he was in Antarctica both from and about Hill. Correspondence received by Hill from other members of the expedition is also included in the collection, as well as reunion planning information, clippings about Antarctica, and scienctific reports from Antarctica.