Columbia subject headings:
Great Britain--History--Henry II, 1154-1189--Sources.
Great Britain--History--Stephen, 1135-1154--Sources.
Scotland--History--1057-1603--Sources.
Harvard subject headings:
Great Britain--History--Medieval period, 1066-1485--Sources.
Princeton subject headings:
Great Britain--History--Henry II, 1154-1189--Sources.
Great Britain--History--Stephen, 1135-1154--Sources.
Scotland--History--1057-1603--Sources.