Columbia subject headings:
Harvard subject headings:
Archives--Access control--Congresses
Archives--Access control--Germany--Congresses
Archives--Law and legislation--Germany--Congresses.
Data protection--Law and legislation--Congresses.
Data protection--Law and legislation--Germany--Congresses.
Public officers--Archives--Congresses.
Public records--Access control--Congresses.
Public records--Access control--Germany--Congresses.
Princeton subject headings:
Archives--Access control--Congresses.
Archives--Access control--Germany--Congresses.
Data protection--Law and legislation--Congresses.
Data protection--Law and legislation--Germany--Congresses.
Public officers--Archives--Congresses.
Public records--Access control--Congresses.
Public records--Access control--Germany--Congresses.