Columbia subject headings:
Harvard subject headings:
Earth sciences--Abstracts--Periodicals.
Geochemistry--Abstracts--Periodicals.
Geology--Abstracts--Periodicals.
Geophysics--Abstracts--Periodicals.
Princeton subject headings:
Earth sciences--Periodicals.
Geochemistry--Periodicals.
Geology--Periodicals.
Geophysics--Periodicals.
Periodicals.