Columbia subject headings:
Climatic changes.
Human beings--Effect of climate on.
Human beings--Effect of environment on.
Human ecology.
Human evolution--Environmental aspects.
Harvard subject headings:
Climatic changes
Climatic changes.
Human beings--Effect of climate on
Human beings--Effect of environment on
Human ecology.
Human evolution--Environmental aspects.
Princeton subject headings:
Climatic changes.
Human beings--Effect of climate on.
Human beings--Effect of environment on.
Human ecology.
Human evolution--Environmental aspects.