Não informado. (1924). Marine Observer. Air Ministry, Meteorological Committee.
Lua i Stíl Chicago (17ú heag.)Não informado. Marine Observer. London: Air Ministry, Meteorological Committee, 1924.
Lua MLA (8ú heag.)Não informado. Marine Observer. Air Ministry, Meteorological Committee, 1924.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.