Coles, E., & Coles, E. Edward Coles collection. Historical Society of Pennsylvania.
Lua i Stíl Chicago (17ú heag.)Coles, Edward, agus Edward Coles. Edward Coles Collection. Philadelphia: Historical Society of Pennsylvania.
Lua MLA (8ú heag.)Coles, Edward, agus Edward Coles. Edward Coles Collection. Historical Society of Pennsylvania.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.