TCG Letter #700

Wayne Hammond and Christina note in their Chronology (see reference below) that Tolkien wrote to Nancy Smith ^{Letter from J.R.R. Tolkien to Nancy Smith • 25-26 December 1963 (#511)[1]} saying he wrote a story of a "great green dragon" when he was aproximately six years old yet in his letter to W.H. Auden of 7 June 1955^{Carpenter #163: Letter from J.R.R. Tolkien to W. H. Auden • 7 June 1955 (#476)[2]} he says that he is "about seven". he also notes to Nancy Smith, and in a letter to Paula Coston (26 August 1965) that he worte some verses about the dragon, and he says to W.H. Auden he had written a "story".

Tolkien included a five-page appendix but tells Paula she doesn't have to read it.^{See also Carpenter #165: Letter from J.R.R. Tolkien to Houghton Mifflin Co. • 30 June 1955 (#478)[3]}