Columbia subject headings:
Annals and chronicles.
Biology.
Earth (Planet)
Earth (Planet)--Origin.
Earth sciences.
Ecology.
Geology, Stratigraphic.
Geology.
Historical geology.
Life--Origin.
Nature.
Harvard subject headings:
Annals and chronicles
Biology
Earth (Planet)
Earth (Planet)--Origin.
Earth sciences
Ecology
Geology
Geology, Stratigraphic
Historical geology
Life--Origin
Nature
Princeton subject headings:
Earth (Planet)--Origin.
Earth sciences.
Ecology.
Geology.
Life--Origin.
Nature.