Columbia subject headings:
Kuhn, Walter, 1903-
Land settlement--Silesia--History.
Silesia--History.
Harvard subject headings:
Kuhn, Walter, 1903-
Land settlement--Silesia--History.
Silesia--History.
Princeton subject headings:
Kuhn, Walter, 1903-1983.
Land settlement--Silesia--History.
Silesia--History.