treatise on naval gunnery dedicated by special permission to the lords commisioners of the admiralty / H. Douglas Zeppelin in combat : a history of the German Naval Airship Division, 1912-1918 / by Douglas H. Robinson England an der Westfront : die Marschallsberichte an den Obersten Kriegsrat / [von] Lord Haig ; übertr. [aus dem Englischen], hrsg. und eingel. von General … c.a.d. Inventaris van het archief van de hoofdintendant te 's-Gravenhage 1881-1941 / samengest. door P. Douglas pall mall military ser. Cavalry studies : strategical and tactical / by Douglas Haig Essay on the principles and construction of military bridges / H. Douglas Observations on modern systems of fortification / H. Douglas conservation of human resources uneducated / Eli Ginzberg and Douglas W. Bray North from Malaya : adventure on five fronts / by William O. Douglas swordbearers : studies in supreme command in the First World War / Correlli Barnett Sir Douglas Haig's despatches : (December 1915-April 1919) / ed. by J.H. Boraston Traité d'artillerie navale / par Howard Douglas ; trad. de la IIIe partie par F. Blaise
