Columbia subject headings:
Assignments (Law)--Austria--History.
Assignments (Law)--Germany--History.
Assignments (Law)--Switzerland--History.
Harvard subject headings:
Assignments (Law)--Austria--History.
Assignments (Law)--Germany--History.
Assignments (Law)--Switzerland--History.
Princeton subject headings:
Assignments (Law)--Austria--History.
Assignments (Law)--Germany--History.
Assignments (Law)--Switzerland--History.