Columbia subject headings:
Copyright--Germany (West)--History.
Copyright--Germany--History.
Germany. Urheberrechtsgesetz--History.
Harvard subject headings:
Copyright--Germany--History--20th century.
Germany. Urheberrechtsgesetz.
Law reform--Germany--History--20th century.
Princeton subject headings:
Copyright--Germany (West)--History.
Copyright--Germany--History.
Germany. Urheberrechtsgesetz--History.