sentences:  Zygmunt Gloger in his book "Historical geography of lands of ancient Poland" ("Geografia historyczna ziem dawnej Polski"), published in 1900, writes that the Duchy of Siewierz belonged to Lesser Poland, after it was bought by the Archbishops of Kraków.Since 1443, after its acquisition by Archbishop Zbigniew Cardinal Oleśnicki for 6,000 silver groats, it was, alongside the Duchy of Nysa, the only ecclesiastical duchy in the region (ruled by a bishop of the Catholic Church).On many levels this tiny principality was almost a 'country within a country'