Title: Kofun to wa nani ka : ninchi kōkogaku kara miru kodai /
Authors: Matsugi, Takehiko, 1961-
Publisher: Kadokawa Gakugei Shuppan : Hatsubaimoto Kadokawa Gurūpu Paburisshingu,
Year: 2011
Subjects: Tombs Japan History.; Japan Antiquities.; Japan History