Stoker, R., & Watt, J. (1968). Johnson Preserv'd. Opera Piccola Limited.
Lua i Stíl Chicago (17ú heag.)Stoker, Richard, agus Jill Watt. Johnson Preserv'd. London: Opera Piccola Limited, 1968.
Lua MLA (8ú heag.)Stoker, Richard, agus Jill Watt. Johnson Preserv'd. Opera Piccola Limited, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.