TCG Letter #579 / Carpenter Letter #205

The Letters of J. R. R. Tolkien: Revised and Expanded ed. (HarperCollins, UK), pp. 381-82, p. 627 (Carpenter notes)

The Letters of J.R.R. Tolkien (1981), pp. 264-65, p. 447 (Carpenter notes)

The J.R.R. Tolkien Companion and Guide - Chronology (2017), p. 548

J.R.R. Tolkien: Life and Legend, p. 75 (see introduction)

Cartas de J.R.R. Tolkien, pp. 391-2, p. 638 (notas de Carpenter)

p. 382: For "elen síla lúmenn’ omentieimo" read: "elen síla lúmenn’ omentielmo". Also exists in Kindle version. Noted by Carl Hostetter.

J.R.R. Tolkien A Descriptive Bibliography, Di1, p. 350