(1965). Guide to the prevention and suppresion of dust in mining, tunnelling and quarrying. s.n.
Lua i Stíl Chicago (17ú heag.)Guide to the Prevention and Suppresion of Dust in Mining, Tunnelling and Quarrying. Geneva: s.n, 1965.
Lua MLA (9ú heag.)Guide to the Prevention and Suppresion of Dust in Mining, Tunnelling and Quarrying. s.n, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.