Unique |
Literatur
Bücher
- Old Windup Trains; CreateSpace Independent Publishing Platform 2016
Zeitschriften
- A "Unique" Story; Train Collectors Quarterly, Vol. 17/3 (July 1971), S. 8-11
- Unique Clockwork and Electric Trains; Train Collectors Quarterly, Vol. 29/2 (April 1983), S. 4-7
