Não informado. (1939). Drilling. Associated Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Drilling. Dallas, Tex: Associated Publishers, 1939.
Lua MLA (8ú heag.)Não informado. Drilling. Associated Publishers, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.