training manual Topography and surveying / War Department : Map and aerial photograph reading / War Department training regulations Topography and surveying / War Department : Map and aerial photograph reading / War Department voorschrift Luchtfotolezen / vastgesteld bij aanschrijving van de Minster van Oorlog, d.d. 10 maart 1954, Hoofdkwartier van de Generale Staf, BCV nr 2289 DG field survey pamphlet use of oblique air photographs / prep. under the dir. of the Chief of the Imperial General Staff ; [issued by the War Office] g.s. publication interpretation of air photographs 1943 Artillery training : Air photographs and their technical application to gunnery / War Office. Vol III: Field gunnery
