Search for: [Subject and Keywords = Middle Ages] OR [Subject and Keywords = medieval firearms] OR [Subject and Keywords = medieval artillery] OR [Subject and Keywords = sources for the history of weapons] OR [Subject and Keywords = Polish written sources] OR [Subject and Keywords = Bohemian written sources] OR [Subject and Keywords = średniowiecze] OR [Subject and Keywords = broń palna średniowieczna] OR [Subject and Keywords = artyleria średniowieczna] OR [Subject and Keywords = źródła do historii broni] OR [Subject and Keywords = źródła pisane polskie] OR [Subject and Keywords = źródła pisane czeskie] OR [Title = Characteristics of Medieval Artillery in the Light of Written Sources from Bohemia and Poland] OR [Creator = Strzyż, Piotr]