1. 'Battnah or Burka Coast' Creator: Cartographer: Richard Bateman Date: 1831/1831 Language: English Geographic region: BattnahGulf of OmanOmanBurka (region)
2. ‘File XXIX/2 THE IMAM’S RISING 1913-1920. RISING of IMAM of NIZWA in MAY 1913 & 1914’ Date: 1913/1914 Language: English Geographic region: NizwaBarkaMaṭraḥ
