• Dick Walker, December 2004
• Peter Semmelroch, November 2004
• Bernd Seiler, October 2003
• Derek Jenkins, March 2002
• Bryan Acford, November 2001
• Robin Gibbons, November 2001
• Johs. Damsgaard Hansen, March 2001
• Bernd Seiler, January 1999

Bernd Seiler的网页有地图提供 - http://www.farrail.com/maps/landkarten.html.