Columbia subject headings:
Belgium--Historiography.
Belgium--History--Research.
Netherlands--Historiography.
Netherlands--History--Research.
Harvard subject headings:
Belgium--Historiography.
Belgium--History--Research.
Netherlands--Historiography.
Netherlands--History--Research.
Princeton subject headings:
Belgium--Historiography.
Belgium--History--Research.
Netherlands--Historiography.
Netherlands--History--Research.