Columbia subject headings:
Contracts--Interpretation and construction.
Contracts--United States--Cases.
Contracts--United States--Charts, diagrams, etc.
Harvard subject headings:
Contracts--Interpretation and construction.
Contracts--United States--Cases.
Contracts--United States--Charts, diagrams, etc.
Princeton subject headings:
Contracts--Interpretation and construction.
Contracts--United States--Cases.
Contracts--United States--Charts, diagrams, etc.