Columbia subject headings:
Harvard subject headings:
Anarchism--Portugal--History--19th century.
Anarchism--Portugal--History--20th century.
Anarchists--Portugal--Biography.
Carvalho, Severino de, 1867-1957
Princeton subject headings:
Anarchism--Portugal--History--20th century.
Anarchists--Portugal--Biography.
Carvalho, Severino de, 1867-1957.