The problem and its background -- Early encounters -- The order of the Asiatic brethren -- The Frankfurt Judenloge -- During revolution and reaction -- Achievements in the age of liberalism -- The struggle for masonic emancipation in Prussia -- Ideological standpoints -- Partial emancipation and subsequent reaction -- The source of "Jews and Freemasons" -- The extent and limits of the slogan -- Approaching ostracism -- Historical significance -- Real relations -- Imaginary relations