Columbia subject headings:
Brazil--Pictorial works.
Pedro II, Emperor of Brazil, 1825-1891.
Photography--Brazil--History--19th century.
Harvard subject headings:
Brazil--Pictorial works.
Pedro II, Emperor of Brazil, 1825-1891.
Photography--Brazil--History--19th century.
Princeton subject headings:
Brazil--Description and travel--Views.
Pedro II, Emperor of Brazil, 1825-1891.
Photography--Brazil--History--19th century.