Columbia subject headings:
Assistance in emergencies--Germany--Congresses.
Assistance in emergencies--Poland--Congresses.
Criminal law--Germany--Congresses.
Criminal law--Poland--Congresses.
Detention of persons--Germany--Congresses.
Detention of persons--Poland--Congresses.
Hit-and-run drivers--Germany--Congresses.
Hit-and-run drivers--Poland--Congresses.
Harvard subject headings:
Criminal law--Germany (West)--Congresses.
Criminal law--Poland--Congresses.
Criminal procedure--Germany (West)--Congresses.
Criminal procedure--Poland--Congresses.
Princeton subject headings: