Twelvetrees, W. H. (1918). The Bangor Mineral District. John Vail, Govt. Printer.
Lua i Stíl Chicago (17ú heag.)Twelvetrees, W. H. The Bangor Mineral District. Hobart: John Vail, Govt. Printer, 1918.
Lua MLA (8ú heag.)Twelvetrees, W. H. The Bangor Mineral District. John Vail, Govt. Printer, 1918.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.