Columbia subject headings:
Catholic Church. Archdiocese of Gniezno (Poland)
Names, Geographical--Poland--Poznań (Voivodeship)
Polish language--Etymology--Names.
Harvard subject headings:
Catholic Church. Archdiocese of Gniezno (Poland)
Catholic Church. Diocese of Gniezno (Poland)--History.
Names, Geographical--Poland--Poznań (Voivodeship)
Names, Geographical--Poland--Wielkopolska.
Polish language--Etymoloy--Names.
Toponymy
Princeton subject headings: