Columbia subject headings:
Harvard subject headings:
Biopolitics--Silesia, Upper (Poland and Czech Republic)--History--20th century--Congresses.
Germanization--Silesia, Upper (Poland and Czech Republic)--Congresses.
Poland--History--Occupation, 1939-1945--Congresses.
Silesia, Upper (Poland and Czech Republic)--History--20th century--Congresses.
Princeton subject headings:
Germans--Silesia, Upper (Poland and Czech Republic)--History--20th century--Congresses.
Silesia, Upper (Poland and Czech Republic)--Politics and government--20th century--Congresses.
World War, 1939-1945--Silesia, Upper (Poland and Czech Republic)--Congresses.