Columbia subject headings:
Harvard subject headings:
Darwin, Charles, 1809-1882--Influence--Congresses.
Darwin, Charles, 1809-1882--Public opinion--Congresses.
Evolution (Biology)--Europe, Central--History--19th century--Congresses.
Evolution (Biology)--Europe, Central--History--20th century--Congresses.
Princeton subject headings:
Darwin, Charles, 1809-1882--Influence.
Darwin, Charles, 1809-1882--Public opinion.
Evolution (Biology)--Europe, Central--History--19th century.
Evolution (Biology)--Europe, Central--History--20th century.