Levi, P. (1975). John Clare and Thomas Hardy.
Lua i Stíl Chicago (17ú heag.)Levi, Peter. John Clare and Thomas Hardy. London, 1975.
Lua MLA (8ú heag.)Levi, Peter. John Clare and Thomas Hardy. 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.