Columbia subject headings:
Harvard subject headings:
Economic geography--Abstracts--Periodicals.
Historical geography--Abstracts--Periodicals.
Human geography--Abstracts--Periodicals.
Princeton subject headings:
Geology, Stratigraphic--Quaternary--Abstracts--Periodicals.
Historical geography--Abstracts--Periodicals.
Human geography--Abstracts--Periodicals.
Landforms--Abstracts--Periodicals.