Columbia subject headings:
Casebooks (Law)
Estates (Law)--Cases.
Executory interests--Great Britain.
Executory interests--United States.
Inheritance and succession--Cases.
Real property--Cases.
Harvard subject headings:
Estates (Law)--Cases.
Executory interests--Great Britain.
Executory interests--United States.
Inheritance and succession--Cases.
Real property--Cases.
Princeton subject headings: