(With Lis Wiehl) Lis Wiehl’s Truth Advantage: The 7 Keys to a Happy and Fulfilling Life (2012) ISBN 1118025156
Up to connector Wiehl/Gummersbach of the federal motorway A4 Cologne - Olpe) are to be put back 17 kilometers in about 20-minute running time.
The Oberbergische Postkutsche (English: Oberbergische stagecoach) is a replica of a 19th-century mail coach run as a tourist attraction between Nümbrecht and Wiehl in Germany.