Columbia subject headings:
Civil law--Soviet Union.
Domestic relations--Soviet Union.
Guardian and ward--Soviet Union.
Marriage law--Soviet Union.
Registers of births, etc.--Soviet Union.
Harvard subject headings:
Civil law--Soviet Union.
Domestic relations--Soviet Union
Guardian and ward--Soviet Union.
Marriage law--Soviet Union.
Registers of births, etc.--Soviet Union.
Statutes and codes
Princeton subject headings: