publishing house of Franz Friedrich Röhling, which in 1828 had produced Rheinreise von Mainz bis Cöln ein Handbuch für Schnelreisende (Journeys on the Rhine from Mainz to Cologne: a handbook for travellers [...] restaurants and sights of interest which appeared in 1846 in his first ‘red guide’, the Handbuch für Reisende durch Deutschland und den Oesterreichischen Kaiserstaat (Handbook for travellers through Germany