'The sphere', 9 and 16 December 1916, including 'With the Shackleton expedition', parts 1 and 2., December 1916., Acc.12559/20. Journals, notebooks and other papers of Sir James Mann Wordie, polar explorer, mostly relating to his tours and expeditions., Acc.12559/1-99. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/77103 Accessed September 23, 2024.