Columbia subject headings:
Necessity (Law)--Switzerland.
Self-defense (Law)--Switzerland.
Self-help (Law)--Switzerland.
Harvard subject headings:
Necessity (Law)--Switzerland.
Self-defense (Law)--Switzerland.
Self-help (Law)--Switzerland.
Princeton subject headings:
Necessity (Law)--Switzerland.
Self-defense (Law)--Switzerland.
Self-help (Law)--Switzerland.