British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.
Lua i Stíl Chicago (17ú heag.)British Sulphur Corporation, ltd. Sulphur. London: British Sulphur Corporation, ltd.
Lua MLA (8ú heag.)British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.