Map of parts of Wiltshire, including Bower Chalke and Coombe Bissett, Sheet Index No 2, 44/18 S.W.
Officers Training Corps Examination for Certificates of Proficiency, November 1934. Produced by the Geographical Section, General Staff No. 3906; published at the War Office 1931. Scale 1:25000.

One of 73 maps collected by Capt David Herbert Blake, Royal Artillery and Special Boat Service, World War Two (1939-1945): Britain, Belgium and France, Palestine, Egypt, Crete, Greece and Turkey (1939-1945).