Columbia subject headings:
Greece--Politics and government--1917-1935--Sources.
Potēropoulos, Nikolaos Geōrg., 1882-1946.
World War, 1914-1918--Sources.
Harvard subject headings:
Greece--History--1917-1944--Personal narratives.
Greece--History--1917-1944.
Greece--Politics and government--1917-1935--Sources.
Papakōstas, Ēlias Kōnst., 1884-1920.
Potēropoulos, Nikolaos Geōrg., 1882-1946.
Princeton subject headings:
Greece--History--1917-1944--Personal narratives.
Greece--History--1917-1944.
Personal narratives.