Columbia subject headings:
Harvard subject headings:
Giordano, Ralph, 1923---Journeys--Prussia, East (Poland and Russia)
Giordano, Ralph, 1923-2014--Travel--Prussia, East (Poland and Russia)
Prussia, East (Poland and Russia)--History.
World War, 1939-1945--Prussia, East (Poland and Russia)
Princeton subject headings:
Giordano, Ralph, 1923-2014--Travel--Prussia, East (Poland and Russia).
Prussia, East (Poland and Russia)--Description and travel.