Christopher Tolkien has suggested that the Region of the Great Plains (which is the full name) might be the "forerunner of the later Talath Dirnen". In a later manuscript is found the resembling name Great Plain, said to be a region which later became known as Dor nu Fauglith.
- ↑ 1.0 1.1 J.R.R. Tolkien, Christopher Tolkien (ed.), The Book of Lost Tales Part One, p. 240
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Book of Lost Tales Part Two, p. 61
- ↑ J.R.R. Tolkien, "Words, Phrases and Passages in Various Tongues in The Lord of the Rings", in Parma Eldalamberon XVII (edited by Christopher Gilson), p. 128