Não informado. (1973). Bulletin of the Bismuth Institute. Bismuth Institut.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Bismuth Institute. Bruxelles: Bismuth Institut, 1973.
Lua MLA (8ú heag.)Não informado. Bulletin of the Bismuth Institute. Bismuth Institut, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.