Columbia subject headings:
Gardens--Prussia, East (Poland and Russia)--History.
Parks--Prussia, East (Poland and Russia)--History.
Harvard subject headings:
Gardens--Prussia, East (Poland and Russia)--History.
Landscape architecture--Prussia, East (Poland and Russia)
Parks--Prussia, East (Poland and Russia)--History.
Prussia, East (Poland and Russia)--History.
Princeton subject headings:
Gardens--Prussia, East (Poland and Russia)--History.
Parks--East Prussia, East (Poland and Russia)--History.