Columbia subject headings:
Harvard subject headings:
Prisoners of war--Portugal--Biography.
World War, 1914-1918--Personal narratives, Portuguese.
World War, 1914-1918--Portugal
World War, 1914-1918--Prisoners and prisons.
Princeton subject headings:
Prisoners of war--Portugal--Biography.
World War, 1914-1918--Personal narratives, Portuguese.
World War, 1914-1918--Portugal.
World War, 1914-1918--Prisoners and prisons.