Butler, E. M. (1946). Rainer Maria Rilke: By E. M. Butler (Repr.). Univ. Press.
Lua i Stíl Chicago (17ú heag.)Butler, Eliza Marian. Rainer Maria Rilke: By E. M. Butler. Repr. Cambridge: Univ. Press, 1946.
Lua MLA (8ú heag.)Butler, Eliza Marian. Rainer Maria Rilke: By E. M. Butler. Repr. Univ. Press, 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.