Columbia subject headings:
Bohemia (Czech Republic)--History, Local.
Historic sites--Czech Republic--Bohemia.
Natural monuments--Czech Republic--Bohemia.
Natural resources--Czech Republic--Bohemia.
Harvard subject headings:
Bohemia (Czech Republic)--History, Local.
Historic sites--Czech Republic--Bohemia.
Natural monuments--Czech Republic--Bohemia.
Natural resources--Czech Republic--Bohemia.
Princeton subject headings: