Engineering news and American railway journal. G.H. Frost.
Lua i Stíl Chicago (17ú heag.)Engineering News and American Railway Journal. New York: G.H. Frost.
Lua MLA (8ú heag.)Engineering News and American Railway Journal. G.H. Frost.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.