Columbia subject headings:
Astronomy--Early works to 1800.
Ptolemy, active 2nd century. Tabulae manuales astronomicae.
Theon, of Alexandria, active 364.
Harvard subject headings:
Astronomy--Early works to 1800
Ptolemy, active 2nd century. Tabulae manuales astronomicae.
Theon, of Alexandria, active 364.
Princeton subject headings:
Astronomy--Early works to 1800.
Ptolemy, active 2nd century. Tabulae manuales astronomicae.
Theon, of Alexandria, active 364.