Columbia subject headings:
Harvard subject headings:
Darwin, Charles, 1809-1882. On the origin of species.
Evolution (Biology)--Congresses
Evolution--Congresses
Human evolution--Congresses.
Philosophy of nature--Congresses
Social evolution--Congresses.
Princeton subject headings:
Darwin, Charles, 1809-1882. On the origin of species.
Evolution (Biology)--Congresses.
Evolution--Congresses.
Human evolution--Congresses.
Philosophy of nature--Congresses.
Social evolution--Congresses.