Henderson, G. D. S. (1967). Gothic. Penguin.
Lua i Stíl Chicago (17ú heag.)Henderson, George David Smith. Gothic. [Harmondsworth, Middlesex, Eng.]: Penguin, 1967.
Lua MLA (9ú heag.)Henderson, George David Smith. Gothic. Penguin, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.