Não informado. (1955). Acier. Centre Belge Luxemburgeois d' Information de l' Acier.
Lua i Stíl Chicago (17ú heag.)Não informado. Acier. Bruxelles: Centre Belge Luxemburgeois d' Information de l' Acier, 1955.
Lua MLA (8ú heag.)Não informado. Acier. Centre Belge Luxemburgeois d' Information de l' Acier, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.