Corbett, Sir Julian S. [and Newbolt, Henry]. HISTORY OF THE GREAT WAR. Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence. NAVAL OPERATIONS. 5 vols. plus 4 cases of maps, First Edition; Vol. I, To the Battle of the Falklands December 1914; pp. [ii], xiv, 470, (blank); 18 folding maps and charts in separate cloth case & 13 maps, plans & diagrams in text volume (some folding & coloured), 4 appendices; Vol. II, pp. xii, 448; 18 plans (mostly folding), 3 appendices; Vol. III, pp. [ii], xiv, 470, (blank); 7 plans & diagrams in volume and 46 folding maps and plans in separate cloth case, 9 appendices; Vol. IV, pp. [ii], xiv, 412; 12 folding coloured maps in separate cloth case & 11 plans & diagrams (some folding) in text vol., 2 appendices; Vol. V, pp. xx, 452; 11 plans & diagrams (some folding) in text volume & 31 folding maps and diagrams in separate cloth case, 11 appendices; index to each vol.; original cloth (some occasional very slight external wear & discolouration); a very good, clean and complete set, with all the maps and plans in fine condition; very scarce. London; Longmans, Green & Co.; 1920, 1921, 1923, 1928, 1931.