Columbia subject headings:
Theater--Germany--Kiel--History--20th century.
Theater--Germany--Kiel--History--21st century.
Harvard subject headings:
Theater--Germany--Kiel--History--20th century.
Theater--Germany--Kiel--History--21st century.
Princeton subject headings:
Theater--Germany--Kiel--History--20th century.
Theater--Germany--Kiel--History--21st century.