Butlin, M., Tate Gallery Publications Department, & Reid, N. (1978). William Blake.
Lua i Stíl Chicago (17ú heag.)Butlin, Martin, Tate Gallery Publications Department, agus Norman Reid. William Blake. London, 1978.
Lua MLA (8ú heag.)Butlin, Martin, et al. William Blake. 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.