Utility bicycle (English Wikipedia)

Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 2. ISBN 0-300-10418-9. Millions of people around the world still rely on their trusty clunkers for cheap and efficient transportation. In fact, the global fleet approaches a billion, with the vast majority circulating in developing countries like Cuba and China where automobiles remain a luxury.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 169–170. ISBN 0-300-10418-9.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 177. ISBN 0-300-10418-9.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 309. ISBN 0-300-10418-9.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 264. ISBN 0-300-10418-9.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 294. ISBN 0-300-10418-9.
Herlihy, David V (2004). Bicycle: the History. Yale University Press. pp. 315. ISBN 0-300-10418-9.

bikebasics.de

Duitse Versus Nederlandse Stadsfiets, Vogelvrije Fietser, January/February 2008, pp. 20-21, Article in Dutch
Kees Bakker. "Duitse Versus Nederlandse Stadsfiets" [German vs Dutch city bicycles] (PDF). Vogelvrije Fietser (in Dutch). No. January/February 2008. pp. 20–21. Archived from the original (PDF) on 2022-07-06.

The City Bike and Copenhagen Article Archived 2008-12-20 at the Wayback Machine

www.sheldonbrown.com, The Golden Age of 3 Speeds – Roadster, Sports or Club? Retrieved 2009-09-25.

Kees Bakker. "Duitse Versus Nederlandse Stadsfiets" [German vs Dutch city bicycles] (PDF). Vogelvrije Fietser (in Dutch). No. January/February 2008. pp. 20–21. Archived from the original (PDF) on 2022-07-06.
The City Bike and Copenhagen Article Archived 2008-12-20 at the Wayback Machine