Columbia subject headings:
Europe--Politics and government--1918-1945.
Silesia, Upper (Poland and Czech Republic)--Politics and government.
World War, 1914-1918--Territorial questions--Silesia, Upper (Poland and Czech Republic)
Harvard subject headings:
Europe--Politics and government--1918-1945.
Silesia, Upper (Poland and Czech Republic)--Politics and government.
World War, 1914-1918--Territorial questions--Silesia, Upper (Poland and Czech Republic)
Princeton subject headings:
Europe--Politics and government--1918-1945.
Silesia, Upper (Poland and Czech Republic)--Politics and government.
World War, 1914-1918--Territorial questions--Silesia, Upper (Poland and Czech Republic)