Cawein, M. J. (1896). Vndertones. Copeland and Day.
Lua i Stíl Chicago (17ú heag.)Cawein, Madison Julius. Vndertones. Boston: Copeland and Day, 1896.
Lua MLA (8ú heag.)Cawein, Madison Julius. Vndertones. Copeland and Day, 1896.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.