Columbia subject headings:
Astronomy--Japan--History--18th century.
Astronomy--Japan--History--19th century.
Hazama, Shigetomi, 1756-1816.
Inō, Tadataka, 1745-1818.
Harvard subject headings:
Astronomy--Japan--History--18th century.
Astronomy--Japan--History--19th century.
Hazama, Shigetomi, 1756-1816.
Inō, Tadataka, 1745-1818.
Princeton subject headings:
Astronomy--Japan--History--18th century.
Astronomy--Japan--History--19th century.
Hazama, Shigetomi, 1756-1816.
Inō, Tadataka, 1745-1818.