Columbia subject headings:
Spain--History--Civil War, 1936-1939--Photography.
Spain--History--Civil War, 1936-1939--Pictorial works.
War photographers--Spain.
War photography--Spain--History.
Harvard subject headings:
Madrid (Spain)--History--Siege, 1936-1939--Pictorial works.
Spain--History--Civil War, 1936-1939--Pictorial works.
Sánchez García, Alfonso, 1880-1953.
War photographers--Spain.
Princeton subject headings:
Spain--History--Civil War, 1936-1939--Photography.
Spain--History--Civil War, 1936-1939--Pictorial works.
War photographers--Spain.
War photography--Spain--History.