TCG Letter #609 / Carpenter Letter #234

The Letters of J. R. R. Tolkien: Revised and Expanded ed. (HarperCollins, UK), pp. 439-42, p. 629 (Carpenter notes)

The Letters of J.R.R. Tolkien (1981), pp. 309-11, pp. 448-49 (Carpenter notes)

The Annotated Hobbit (1988), p. 213

Marquette archive details., See 7/1/10

The History of Middle-earth: Vol. 01 - The Book of Lost Tales, Part One, p. 275, see 'plenilune'

The Annotated Hobbit: Revised and Updated, p. 253

Cartas de J.R.R. Tolkien, pp. 449-52, p. 640 (notas de Carpenter)

The J.R.R. Tolkien Companion and Guide - Chronology (2017), p. 613

Christies 20th Century Books and Manuscripts, Lot 39. 2 Dec 2003, Sold for 4,183, p. 26 in catalogue: This lot consists of a typed copy of the poem Princess Mee, together with a two page letter to Jane Neave dated 22 November 1962. The letter is included in The Letters of J.R.R. Tolkien as Letter No. 234.

Tolkien and the Great War, p. 13 (reading)

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

J.R.R. Tolkien: Life and Legend, p. 53 (see item 139)