"Former Territory of Germany" (in German).
2017-11-12.

"Central Statistical Office (GUS) - TERYT (National Register of Territorial Land Apportionment Journal)" (in Polish).
2008-06-01.
"Former Territory of Germany" (in German). 2017-11-12.
"Central Statistical Office (GUS) - TERYT (National Register of Territorial Land Apportionment Journal)" (in Polish). 2008-06-01.
Wipsowo