Não informado. (1939). Consulting engineer. Northwood Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Consulting Engineer. London: Northwood Publications, 1939.
Lua MLA (8ú heag.)Não informado. Consulting Engineer. Northwood Publications, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.