Não informado. (1958). Prospectives. Centre International de Prospective.
Lua i Stíl Chicago (17ú heag.)Não informado. Prospectives. Paris: Centre International de Prospective, 1958.
Lua MLA (8ú heag.)Não informado. Prospectives. Centre International de Prospective, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.