Bologna

Simone Vos

Bologna und Emilia Romagna

Macke, Carl-Wilhelm

Wandelen in Bologna

Merel Diemont

Emilia-Romagna Road and Leisure Map

Köln / Cologne

Leonce Engelschläger

Pologne

Pologne

Nordrhein-Westfalen / Cologne, Ruhr

De Groene Reisgids - Noord-Italië

Michelin Editions

Greater Than a Tourist - Bologna Italy

Greater Than a Tourist & Emily Mathews

Wandelen over de Godenweg

Merel Diemont

Education in Sport and Physical Activity

Ruhrgebiet / Cologne / Dusseldorf / Bergisches Land + city map

Bradt Northern Italy

Michael Pauls & Dana Facaros

Rhine Cycle Path 5, Cologne - Rotterdam, cycle tour map 1:50,000

PublicPress Radwanderk. Rhein-Radweg.5

Köln/Cologne - Book To Go

Köln/Cologne

MARCO POLO Reiseführer Emilia-Romagna, Bologna, Parma, Ravenna

Sabine Oberpriller & Bettina Dürr

Cologne - Bonn - Koblenz, cycling map 1:100,000

PUBLICPRESS Radk. Köln - Bonn - Koblenz

Boulogne-sur-Mer / Forêts du Boulonnais PNR

Around Cologne, adventure guide with map 1:150,000

PUBLICPRESS Erlebnisf.Rund um Köln

Michelin Trentino-Südtirol,Venetien, Friaul-Julisch Venetien, Emilia Romagna. Straßen- und Tourismuskarte 1:400.000

Michelin Karte Trentino-Südtirol,Veneti

Lower Rhine, Dusseldorf - Krefeld - Venlo - Cologne

The Andalucian Coast to Coast Walk

Guy Hunter-Watts

The Roman Remains of Northern and Eastern France

Bromwich, James