Columbia subject headings:
Harvard subject headings:
Czechoslovakia--Foreign relations--Poland.
Poland--Foreign relations--Czechoslovakia.
Poland--Relations--Czechoslovakia--Slovak Republic.
Slovakia--History--Autonomy and independence movements.
Slovakia--Relations--Poland.
Princeton subject headings:
Czechoslovakia--Foreign relations--Poland.
Poland--Foreign relations--Czechoslovakia.
Poland--Relations--Slovakia.
Slovakia--History--Autonomy and independence movements.
Slovakia--Relations--Poland.