Columbia subject headings:
Europe, Western--History--Sources.
Local history--Sources.
Middle Ages--Sources.
Harvard subject headings:
Europe, Western--Historiography.
Europe, Western--History--Sources.
Local history
Local history--Sources.
Middle Ages--Historiography
Middle Ages--Sources
Princeton subject headings:
Europe, Western--Historiography.
Europe, Western--History--Sources.
Local history--Sources.
Local history.
Middle Ages--Historiography.
Middle Ages--History--Sources.