Erwin Tragatsch

• The illustrated encyclopedia of motorcycles
• Alle Motorräder
• Motorcycles
• Motorcycles, an illustrated history
• The complete illustrated encyclopedia of the world's motorcycles
• Zeugen der Motorradentwicklung
• Berühmte Motorräder. Lexikon der Marken und Modelle
• Das grosse Rennfahrerbuch
• Motorräder
• New Illustrated Encyclopedia of Motorcycles
• The illustrated encyclopedia of motorcycles
• THE ILLUSTRATED HISTORY OF MOTORCYCLES