Columbia subject headings:
Big bang theory--Congresses.
Cosmogony--Congresses.
Exobiology--Congresses.
Life on other planets--Congresses.
Life--Origin--Congresses.
Volcanism--Congresses.
Harvard subject headings:
Big bang theory--Congresses.
Cosmogony--Congresses.
Exobiology--Congresses.
Life on other planets--Congresses
Life--Origin--Congresses
Volcanism--Congresses.
Princeton subject headings:
Big bang theory--Congresses.
Cosmochemistry--Congresses.
Cosmogony--Congresses.
Cosmology--Congresses.
Life--Origin--Congresses.
Planets--Congresses.