Columbia subject headings:
Frankfurt am Main (Germany)--Ethnic relations--Sources.
Frankfurt am Main (Germany)--History--16th century--Sources.
Frankfurt am Main (Germany)--History--17th century--Sources.
Frankfurt am Main (Germany)--Minorities--Sources.
Jews--Germany--Frankfurt am Main--History--Sources.
Harvard subject headings:
Frankfurt am Main (Germany)--Ethnic relations--Sources.
Jews--Germany--Frankfurt am Main--History--Sources.
Princeton subject headings:
Frankfurt am Main (Germany)--Ethnic relations--Sources.
Jews--Germany--Frankfurt am Main--History--Sources.