https://poznajhistorie.org/files/original/1cbb2d8fba717757b5eca6720e2dd311.jpg 55f2daeebc112b06e2de1667d45ba309 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Powstania Śląskie 1919-1921 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Granice historyczne Górnego Śląska