Columbia subject headings:
Harvard subject headings:
Europe, Central--Foreign relations.
Europe, Eastern--Foreign relations--1989-
National characteristics, Central European--History--20th century.
National characteristics, Central European--History--21st century.
National characteristics, East European--History--20th century.
National characteristics, East European--History--21st century.
National characteristics, Polish--History--20th century.
National characteristics, Polish--History--21st century.
National characteristics, Slovak--History--20th century.
National characteristics, Slovak--History--21st century.
Poland--Foreign relations--Slovakia.
Slovakia--Foreign relations--Poland.
Princeton subject headings:
Europe, Central--Foreign relations.
Europe, Eastern--Foreign relations--1989-
National characteristics, Central European--History--20th century.
National characteristics, Central European--History--21st century.
National characteristics, East European--History--20th century.
National characteristics, East European--History--21st century.
National characteristics, Polish--History--20th century.
National characteristics, Polish--History--21st century.
National characteristics, Slovak--History--20th century.
National characteristics, Slovak--History--21st century.
Poland--Foreign relations--Slovakia.
Slovakia--Foreign relations--Poland.