Columbia subject headings:
Harvard subject headings:
National monuments--Costa Rica
Nicaragua--History--Filibuster War, 1855-1860--Anniversaries, etc.
Nicaragua--History--Filibuster War, 1855-1860--Monuments--Costa Rica.
Princeton subject headings:
National monuments--Costa Rica.
Nicaragua--History--Filibuster War, 1855-1860--Anniversaries, etc.
Nicaragua--History--Filibuster War, 1855-1860--Monuments--Costa Rica.