1916 (Aug.7) autographed one-page letter headed 'North Western Hotel, Liverpool' from Douglas Mawson to the same correspondent as the previous letter, 'I am on Russian Government munitions work up here....' and fully signed. Mawson was knighted, and was back in England by the outbreak of World War I. Mawson served in the war as a Major in the British Ministry of Munitions. Returning to Adelaide he pursued his academic studies, taking further expeditions abroad, including a joint British, Australian and New Zealand expedition to the Antarctic in 1929-31. The work done by the British Australian and New Zealand Antarctic Research Expedition led to the formation of the Australian Antarctic Territory in 1936.