Search for: [Subject and Keywords = early Middle Ages \-\- Poland] OR [Subject and Keywords = early medieval settlement \-\- Poland] OR [Subject and Keywords = early medieval strongholds \-\- Poland] OR [Subject and Keywords = written sources for the history of the region \-\- Poland] OR [Subject and Keywords = Mazovia \(Poland\)] OR [Subject and Keywords = średniowiecze wczesne \-\- Polska] OR [Subject and Keywords = osadnictwo wczesnośredniowieczne \-\- Polska] OR [Subject and Keywords = grodziska wczesnośredniowieczne \-\- Polska] OR [Subject and Keywords = źródła pisane do historii regionu \-\- Polska] OR [Subject and Keywords = Mazowsze \(Polska\)] OR [Title = Archeologia o Mazowszu w czasie powstawania Państwa Polskiego. Zarys problematyki] OR [Title = Archeologia o Mazowszu w czasie powstawania Państwa Polskiego. Zarys problematyki] OR [Creator = Dulinicz, Marek \(1957–2010\)] OR [Creator = Dulinicz, Marek \(1957–2010\)]