Columbia subject headings:
Harvard subject headings:
Collective memory--Germany.
Collective memory--Lithuania.
Collective memory--Poland.
Collective memory--Russia.
Europe--History--20th century.
Europe--History--21st century.
Prussia, East (Poland and Russia)--Historiography.
Prussia, East (Poland and Russia)--History--20th century.
Prussia, East (Poland and Russia)--History--21st century.
Prussia, East (Poland and Russia)--History--Study and teaching--Germany.
Prussia, East (Poland and Russia)--History--Study and teaching--Lithuania.
Prussia, East (Poland and Russia)--History--Study and teaching--Poland.
Prussia, East (Poland and Russia)--History--Study and teaching--Russia.
Princeton subject headings:
Europe--Civilization.
Europe--History.
Europe--Social conditions.