Maps of Pirot and Prizren GIL/5/6/1 - 1926 reprint of the 1911 map of Pirot published by the Vojnogeografski Institut, Belgrade (Scale 1:100,000) GIL/5/6/2 - Map of Prizren published in 1915 by the K.u.k Militrgeographisches Institut, Vienna (Scale 1:200,000) 1911-1915