Columbia subject headings:
Annotations and citations (Law)--Pennsylvania.
Equitable remedies--Pennsylvania.
Quasi contracts--Pennsylvania.
Trusts and trustees--Pennsylvania.
Unjust enrichment--Pennsylvania.
Harvard subject headings:
Annotations and citations (Law)--Pennsylvania.
Equitable remedies--Pennsylvania.
Quasi contracts--Pennsylvania.
Trusts and trustees--Pennsylvania.
Unjust enrichment--Pennsylvania.
Princeton subject headings: