Columbia subject headings:
Metals--Early works to 1800.
Meteorology--Early works to 1800.
Meteors--Early works to 1800.
Harvard subject headings:
Metals--Early works to 1800.
Meteorology--Early works to 1800
Meteors--Early works to 1800.
Princeton subject headings:
Metals--Early works to 1800.
Meteorology--Early works to 1800.
Meteors--Early works to 1800.