Columbia subject headings:
Harvard subject headings:
Reformation--Germany--Frankfurt am Main--Sources.
Religious refugees--Netherlands--History--Sources.
Princeton subject headings:
Dutch--Germany (West)--Frankfurt am Main--History.--16th century--Sources.
Frankfurt am Main (Germany)--Population--History--Sources.
Reformed Church--Germany (West)--Frankfurt am Main--History--16th century--Sources.
Religious refugees--Germany (West) History--16th century--Sources.
Religious refugees--Netherlands--History--16th century--Sources.