[citation needed] From 16 July 1952 to 29 November 1961, Kopf was also a member of the European Parliament.

[citation needed] Herbst, Ludolf; Jahn, Bruno (2002).

Biographisches Handbuch der Mitglieder des Deutschen Bundestages.

1949–2002 [Biographical Handbook of the Members of the German Bundestag.

This biography article about a member of the Christian Democratic Union of Germany (CDU) is a stub.