Não informado. (1960). Bulletin. Society for the Study of Labour History.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin. Sheffield, Inglaterra: Society for the Study of Labour History, 1960.
Lua MLA (8ú heag.)Não informado. Bulletin. Society for the Study of Labour History, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.