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