For part 2 of our Revised Introduction to Japanese History: what do we know about the origins of Japan’s imperial family? And how does that knowledge line up with the mythology built around the family’s rise?
Brown, Delmer M. “The Yamato Kingdom” in The Cambridge History of Japan, Vol 1: Ancient Japan
The Basil Hall Chamberlain Kojiki translation. It’s not the most readable, but it is public domain!
Ooms, Herman. Imperial Politics and Symbolics in Ancient Japan: The Tenmu Dynasty, 650-800.