lxxi 649 pages, index illustrated, maps. The pages are tanned, else a clean, unmarked and solid copy. Volume X of The Official History of Australia in the War of 1914-1918. First published 1927. "...On 16 March 1915 Seaforth Simpson Mackenzie, who had a knowledge of German, was commissioned with the rank of major in the Australian Naval and Military Expeditionary Force to relieve the assistant judge advocate general in German New Guinea. On 3 April he took up duty at Rabaul as deputy judge advocate general and legal adviser to the administrator, Colonel S. A. Pethebridge. Mackenzie lost no time in translating into English the German ordinances, which continued in force.....From 1921 he worked also on volume X of the official war history, The Australians at Rabaul (1927). Charles Bean had difficulty in extracting his drafts, but the eventual volume was a substantial study." ( Australian Dictionary of Biography)