Columbia subject headings:
Harvard subject headings:
Darwin, Charles, 1809-1882--Influence.
Evolution (Biology)--Latin America--History.
Evolution (Biology)--Spain--History.
Natural selection--Latin America--History.
Natural selection--Spain--History.
Princeton subject headings:
Darwin, Charles, 1809-1882--Influence.
Evolution (Biology)--Latin America--History.
Evolution (Biology)--Spain--History.