Columbia subject headings:
Barreto, Tobias, 1839-1889--Criticism and interpretation.
Brazil--History--Canudos Campaign, 1893-1897.
Cunha, Euclides da, 1866-1909. Sertões.
Harvard subject headings:
Barreto, Tobias, 1839-1889--Philosophy.
Cunha, Euclides da, 1866-1909--Philosophy.
Princeton subject headings: