Sources
Every entry cites at least one of these published works. Where the texts differ, The Silmarillion and The Lord of the Rings are preferred and the variant is noted.
The Silmarillion
Silm.J.R.R. Tolkien (ed. Christopher Tolkien) · 1977
The mythic history of Arda: the Ainulindalë, Valaquenta, Quenta Silmarillion, Akallabêth, and Of the Rings of Power and the Third Age.
The Hobbit
HobbitJ.R.R. Tolkien · 1937
Bilbo Baggins joins Thorin Oakenshield's company on the quest to reclaim Erebor from the dragon Smaug.
The Fellowship of the Ring
FotRJ.R.R. Tolkien · 1954
The Lord of the Rings, volume one (Books I and II).
The Two Towers
TTJ.R.R. Tolkien · 1954
The Lord of the Rings, volume two (Books III and IV).
The Return of the King
RotKJ.R.R. Tolkien · 1955
The Lord of the Rings, volume three (Books V and VI).
The Lord of the Rings: Appendices
App.J.R.R. Tolkien · 1955
Appendices A to F: annals of kings and rulers, the Tale of Years, family trees, calendars, languages and writing systems.
The Children of Húrin
CoHJ.R.R. Tolkien (ed. Christopher Tolkien) · 2007
The full tale of Túrin Turambar and Niënor, children of Húrin, under the curse of Morgoth.
Unfinished Tales of Númenor and Middle-earth
UTJ.R.R. Tolkien (ed. Christopher Tolkien) · 1980
Narratives and essays on Tuor, Túrin, Númenor, Galadriel and Celeborn, the Istari, the Palantíri, the Drúedain and more.