Columbia subject headings:
Historiography--Great Britain.
Radulfus, Niger, approximately 1140-
Radulfus, Niger, approximately 1140- Chronica.
World history--Early works to 1800.
Harvard subject headings:
Historiography--Europe
Radulfus, Niger, approximately 1140- Chronica.
Radulfus, b. ca. 1140. Chronica.
World history--Historiography.
World history.
Princeton subject headings:
Historiography--Europe.
Radulfus, Niger, approximately 1140- Chronica.
World history.