Mainly British Government Army publications, but also some British  Air Force publications and publications in the Naval Intelligence Geographical Handbook series.  In addition, there are some non Government publications, such as regimental histories,  personal accounts of military service, or other military related publications.There are further British Government military publications in the  Collections The Monthly Army List Admiralty (Great Britain) publications British Wars and Foreign Policy 1914-1945  and in the National Library of Scotland collections British Air Force Lists British Army List  British Navy Lists  Also Search the Internet Archive Books database.