A brief history of early Okinawa based on the Omoro sōshi - Sakihara, Mitsugu 1928-2001 (Center for Okinawan Studies, University of Hawaiʻi at Mānoa, 2024)
Reissue of: A brief history of early Okinawa based on the Omoro Sōshi. Tokyo: Honpo Shoseki Press, 1987