Columbia subject headings:
Contracts for work and labor--France.
Contracts for work and labor--Germany (West)
Pledges (Law)--France.
Pledges (Law)--Germany (West)
Harvard subject headings:
Contracts for work and labor--France.
Contracts for work and labor--Germany (West)
Pledges (Law)--France.
Pledges (Law)--Germany (West)
Princeton subject headings: