Columbia subject headings:
Common law--Great Britain.
Equity--Great Britain.
Law--Great Britain--Classification.
Law--Great Britain.
Harvard subject headings:
Common law--Great Britain.
Effectiveness and validity of law--Great Britain.
Equity--Great Britain.
Law--Great Britain
Law--Great Britain--Classification.
Law--Great Britain--Interpretation and construction
Princeton subject headings:
Effectiveness and validity of law--Great Britain.
Law--Great Britain--Interpretation and construction.