Columbia subject headings:
Harvard subject headings:
Nation-building--Latin America--History--19th century--Congresses.
Science and state--Latin America--History--19th century--Congresses.
Science--America--History--Congresses.
Science--Latin America--History--19th century--Congresses.
Science--Latin America--History--Congresses.
Science--Social aspects--Latin America--History--19th century--Congresses.
Science--United States--Congresses.
Princeton subject headings:
Science--America--History.
Science--Latin America--History.
Science--United States--History.