Celan, Paul, "Late and Deep," in Selected Poems and Prose of Paul Celan, translated by John Felstiner, W. W. Norton, 2001.

Colin, Amy, "Innovation and Repetition," in Paul Celan: Holograms of Darkness, Indiana University Press, 1991, p. 107.

Felstiner, John, Paul Celan: Poet, Survivor, Jew, Yale University Press, 1995.

———, "Paul Celan: The Strain of Jewishness," in Commentary, Vol. 79, No. 4, April 1985, pp. 44—49.

Glenn, Jerry, "Early Poems and Mohn und Gedächtnis," in Paul Celan, Twayne Publishers, 1973, pp. 62—63.

———, "Sprachgitter," in Paul Celan, Twayne Publishers, 1973, p. 91.

Hilberg, Raul, The Destruction of the European Jews, Holmes & Meier, 1985, pp. 13—20.

Jeffrey, David Lyle, ed., A Dictionary of Biblical Tradition in English Literature, William B. Eerdmans, 1992.

Rosenthal, Bianca, Pathways to Paul Celan: A History of Critical Responses as a Chorus of Discordant Voices, Peter Lang Publishing, 1995, pp. 6—7, 91.

Samuels, Clarise, Holocaust Visions: Surrealism and Existentialism in the Poetry of Paul Celan, Camden House, 1993, p. 124.