Title: Chizu to nenpyō de miru Nihon no ryōdo mondai
Subjects: National Territory, History, Boundaries, International status, Foreign relations, Ryōdo, Ryōkai, Ryōkū, Nihon-Taigai kankei
Places: Japan, Senkaku Islands, Tok Island (Korea), Kuril Islands (Russia)
Time periods: 1989-