Forerunner Saga - Wikipedia

Prometheans, Villains Wiki

Precursors - Species - Halopedia, the Halo wiki

Halo: Contact Harvest, Halo University Wiki

The Forerunner Saga IS the Reclaimer Saga: We Had Everything We Needed to Predict EVERYTHING (I.E. I ramble theories about the Reclaimer Saga and Infinite in particular) : r/HaloStory

Robotech Genesis: Legend of Zor 4: The Shaping, Robotech Saga Wiki

Halo: Ghosts of Onyx, HaloHistory and Gaming! Wiki

Faber-Of-Will-And-Might, Halo Alpha

Halo 4 - Wikipedia

Halo: The Fall of Reach, HaloHistory and Gaming! Wiki

The Forerunner Saga - Halopedia, the Halo wiki

Forerunner-Flood war, Halo Alpha