Columbia subject headings:
Harvard subject headings:
Animal behavior--Periodicals
Ethnology--Periodicals
Evolution--Periodicals
Geography--Periodicals
Human geography--Periodicals
Natural history--Periodicals
Princeton subject headings:
Ethology--Periodicals.
Evolution--Periodicals.
Geography--Periodicals.
Human geography--Periodicals.
Natural history--Periodicals.
Periodicals.