Columbia subject headings:
Harvard subject headings:
Greece--History--20th century.
Greece--History--Civil War, 1944-1949.
Kōnstas, P. E. (Panagiōtēs Euangelou)
World War, 1939-1945--Greece.
Princeton subject headings:
Greece--History--20th century.
Greece--History--Civil War, 1944-1949.
Kōnstas, P. E. (Panagiōtēs Euangelou)--Career in Greek navy.
World War, 1939-1945--Greece.