Columbia subject headings:
Monuments--Conservation and restoration--Germany--Guben.
Pieck, Wilhelm, 1876-1960--Monuments--Germany--Guben.
Harvard subject headings:
Memorials--Germany--Guben--History.
Monuments--Conservation and restoration--Germany--Guben--History.
Monuments--Germany--Guben--History.
Pieck, Wilhelm, 1876-1960--Monuments.
Princeton subject headings: