Columbia subject headings:
Harvard subject headings:
Baltic Sea Region--History.
Baltic Sea Region--Politics and government.
Olesen, Jens E., 1950---Bibliography.
Scandinavia--History.
Scandinavia--Politics and government.
Princeton subject headings:
Baltic Sea Region--History.
Baltic Sea Region--Politics and government.
Olesen, Jens E., 1950---Bibliography.
Scandinavia--History.
Scandinavia--Politics and government.