A. (Roman numerals) - Polish Armed Forces A.XII Supreme GHQ Polish Armed Forces 1940 - 1947 (General Staff Ministry of National Defence)
Book of cyphergrams between the Military Attache and GHQ Polish Forces in London, VII-IX.1940 A. (Roman numerals) – Polish Armed Forces A.XII Supreme GHQ Polish Armed Forces 1940 – 1947 (General Staff Ministry of National Defence)