pt. 1. The prologue and appendices to The lord of the rings. The prologue
The appendix on languages
The history of the Akallabeth
The tale of years of the Second Age
The tale of years of the Third Age
The making of Appendix A : The realms in exile ; The tale of Aragorn and Arwen ; The house of Eorl ; Durin's folk
pt. 2. Late writings. Of dwarves and men
pt. 3. Teachings of Pengoloð. Dangweth Pengoloð
pt. 4. Unfinished tales. The new shadow