13. File 50/1914 Pt 10 'Persian Gulf: Lighting and Buoying; Supply of Lighthouse Tender; the Nearchus' Date: 1912/1916 Language: English Geographic region: Persian GulfShatt al Arab
14. File 50/1914 Pt 9 'Persian Gulf: Lighting and Buoying' Date: 1912/1923 Language: English Geographic region: Persian Gulf