Zorn, J. W. (1968). The essential Delsarte. Scarecrow Press.
Lua i Stíl Chicago (17ú heag.)Zorn, John W. The Essential Delsarte. Metchuen, N. J: Scarecrow Press, 1968.
Lua MLA (9ú heag.)Zorn, John W. The Essential Delsarte. Scarecrow Press, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.