Columbia subject headings:
Czechoslovakia--History--1938-1945.
Czechs--England--London.
Slovaks--England--London.
Harvard subject headings:
Czechoslovakia--History--1938-1945.
Czechs--England--London.
Slovaks--England--London.
Princeton subject headings:
Czechoslovakia--History--1938-1945.
Czechs--England--London.
Slovaks--England--London.