Title: Kinsei Nihon no hoppōzu kenkyū
Subjects: Kyokutō chihō-Chizu, Maps, Cartography, Chishima rettō-Chizu, Kochizu, Hokkaidō-Chizu, History
Places: Hokkaido (Japan), Kuril Islands (Russia), Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia), Kamchatka Peninsula (Russia), Japan, Hokkaido
Time periods: 17th century, 19th century, 18th century