Title: Ruhrkohle und Politik
Subjects: Politics and government, Verein für die Bergbaulichen Interessen im Oberbergamtsbezirk Dortmund, Steel industry and trade, Capitalists and financiers, Zechenverband, Industrialists, Coal trade, Coal mines and mining, Biography
Places: Germany, Ruhr (Region)
People: Ernst Brandi (1875-1937)
Time periods: 1918-1933, 1933-1945