Columbia subject headings:
Harvard subject headings:
Art and science--History--19th century--Exhibitions.
Biodiversity--Brazil--History--19th century--Exhibitions.
Martius, Karl Friedrich Philipp von, 1794-1868--Exhibitions.
Science--Brazil--History--19th century--Exhibitions.
Spix, Johann Baptist von, 1781-1826--Exhibitions.
Voyages and travels--History--19th century--Exhibitions.
Princeton subject headings:
Art and science--History--19th century.
Biodiversity--Brazil--History--19th century.
Martius, Karl Friedrich Philipp von, 1794-1868.
Science--Brazil--History--19th century.
Spix, Johann Baptist von, 1781-1826.
Voyages and travels--History--19th century.