Columbia subject headings:
Europe--Relations--Poland.
Names, Geographical--Poland.
Poland--Relations--Europe.
Polish language--Etymology--Names.
Polish language--Foreign elements.
Harvard subject headings:
Europe--Relations--Poland.
Names, Geographical--Poland
Poland--Relations--Europe
Polish language--Etymology--Names.
Polish language--Foreign elements
Princeton subject headings:
Europe--Relations--Poland.
Names, Geographical--Poland.
Poland--Relations--Europe.
Polish language--Etymology--Names.
Polish language--Foreign elements.