フェルキッシャー・ベオバハター
Dreher was a member of the Reichstag, first being elected in 1928 and retaining his seat until the fall of the Third Reich. In the early 1930s he was close to Gregor Strasser for a time. He was recognised within the Nazi Party as an economics specialist and he wrote on this topic for "Völkischer Beobachter".