Columbia subject headings:
Harvard subject headings:
Astrometry--Early works to 1800.
Astronomy--Observations--Early works to 1800.
Nautical astronomy--Early works to 1800.
Stars--Catalogs--Early works to 1800.
Princeton subject headings:
Astronomical instruments--History--Early works to 1800.
Astronomy--Observations--History--Early works to 1800.
Flamsteed, John, 1646-1719.