Columbia subject headings:
Harvard subject headings:
Frankfurt am Main (Germany)--Politics and government--20th century.
Frankfurt am Main (Germany)--Politics and government.
Frankfurt am Main (Germany). Stadtverordnetenversammlung.
National socialism--Germany--Frankfurt am Main.
Political persecution--Germany--Frankfurt am Main.
Politicians--Germany--Frankfurt am Main--Registers.
Princeton subject headings:
Frankfurt am Main (Germany)--Politics and government.
Frankfurt am Main (Germany). Stadtverordnetenversammlung--History.