Columbia subject headings:
Harvard subject headings:
Assimilation (Sociology)
Bitterfeld (Germany : Landkreis)
Germanization.
Polish people--Germany--19th century.
Polish people--Germany--20th century.
Princeton subject headings:
Assimilation (Sociology)
Bitterfeld (Germany : Landkreis)
Germanization.
Polish people--Germany--19th century.
Polish people--Germany--20th century.