Não informado. (1930). BTH activities. Associated Electrical Industries.
Lua i Stíl Chicago (17ú heag.)Não informado. BTH Activities. Rugby, Inglaterra: Associated Electrical Industries, 1930.
Lua MLA (8ú heag.)Não informado. BTH Activities. Associated Electrical Industries, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.