Columbia subject headings:
Harvard subject headings:
Anarchists--Germany--Frankfurt am Main.
Police--Germany--Frankfurt am Main.
Rumpf, Karl Ludwig Franz, Polizeirat--Assassination.
Trials (Assassination)--Germany--Frankfurt am Main.
Princeton subject headings:
Anarchists--Germany--Frankfurt am Main.
Police--Germany--Frankfurt am Main.
Rumpff, Karl Ludwig Franz, 1822-1885.
Trials (Assassination)--Germany--Frankfurt am Main.