Columbia subject headings:
Breach of contract--Germany (West)
Contracts for work and labor--Germany (West)
Interest (Ownership rights)--Germany (West)
Leases--Germany (West)
Sales--Germany (West)
Harvard subject headings:
Breach of contract--Germany (West)
Contracts for work and labor--Germany (West)
Interest (Ownership rights)--Germany (West)
Leases--Germany (West)
Sales--Germany (West)
Princeton subject headings: