Historic developement and origine of railway lines in Luxemburg
<a href="//commons.wikimedia.org/wiki/User:Reinhard_Dietrich" title="User:Reinhard Dietrich">Reinhard Dietrich</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span> — Vorlage: André Schontz, Arsène Felten und Marcel Gourlot: Le chemin de fer en Lorraine. Éditions Serpenoise, Metz 1999. <a href="//commons.wikimedia.org/wiki/Special:BookSources/2-87692-414-5" title="Special:BookSources/2-87692-414-5">ISBN 2-87692-414-5</a>, S. 243.