TCG Letter #370 / Carpenter Letter #142

The Letters of J.R.R. Tolkien (1981), pp. 171-3

The Letters of J. R. R. Tolkien: Revised and Expanded ed. (HarperCollins, UK), pp. 257-59

The J.R.R. Tolkien Companion and Guide - Chronology (2017), p. 439

J.R.R. Tolkien A Descriptive Bibliography, Di1, p. 350; Dii26, p. 357; Dii34, p. 358

Tolkien and the Great War, p. 13 (single sentence quoted)

Tolkien's Faith: A Spiritual Biography, p. 3

J.R.R. Tolkien: Scholar and Storyteller, p. 284

Tolkien & the Silmarillion, p. 56-7

The Tablet, 15 September, 1973, pp. 779-80

Pity, Power, and Tolkien's Ring: To Rule the Fate of Many, p. 10, p. 15, p. 55, p. 287n42

The Ring of Words, p. 54

Tolkien's The Lord of the Rings. Sources of Inspiration, p. 30, see note 48

Isabelle Pantin, L’ombre de Troie dans l’œuvre de Tolkien, see pp. 149-50, note 1, (Many thanks to Tom Hillman for providing us with references from this article)

Silke Anzinger, "Von Troja nach Gondor.Tolkiens „The Lord of the Rings“ als Epos in vergilischer Tradition," in Vestigia Vergiliana: Vergil-Rezeption in der Neuzeit edited by Thorsten Burkard , Markus Schauer and Claudia Wiener. (2010) pp. 363-401. p. 372 note 32

Marco Cristini "The Fall of Two Cities: Troy and Gondolin." Thersites 15 (2022), p. 10

War and the Works of J.R.R. Tolkien, p. 73

Cartas de J.R.R. Tolkien, pp. 268-70

The Collected Poems of J. R. R. Tolkien, p. xiii

Portions of the original letter are viewable in Tolkien A Film Portrait (1996) at approximately 1:22:06 and 1:22:19

Ivano Sassanelli, "Religious and Catholic: Primary and Secondary World in Tolkien's Letter no. 142", in Giuseppe Pezzini & Eden O'Brien (ed.), Tolkien and the Relation between Sub-creation and Reality, Inklings Studies Supplement 3 (2023), pp. 107-26

Michael Livingston, "Troy and the Rings:Tolkien and the Medieval Myth of England," Mythlore 32.1 (2013), p. 80 citation from p. 172 ['Letters', 1981].