Columbia subject headings:
Harvard subject headings:
Corpo Expedicionário Português--History.
Portugal. Exército. Corpo Expedicionário Português--History.
World War, 1914-1918--Campaigns--Belgium
World War, 1914-1918--Campaigns--France
World War, 1914-1918--Portugal
Princeton subject headings:
Corpo Expedicionário Português--History.
World War, 1914-1918--Campaigns--Belgium.
World War, 1914-1918--Campaigns--France.
World War, 1914-1918--Portugal.