Columbia subject headings:
Varnhagen, Francisco Adolfo de, Visconde de Porto Seguro, 1816-1878--Bibliography.
Harvard subject headings:
Varnhagen, Francisco Adolfo de, Visconde de Porto Seguro, 1816-1878--Bibliography.
Princeton subject headings:
Varnhagen, Francisco Adolfo de, Visconde de Porto Seguro, 1816-1878--Bibliography.