LEGO 4559 Cargo Railway Set Parts Inventory and Instructions - LEGO Reference Guide
Classic LEGO sets: 12V Trains | Brickset: LEGO set guide and database
Unofficial LEGO Sets/Parts Collectors Guide - Among many LEGO Train collectors, the golden age was 1980-1990... the 12V electric train years. And probably the most popular was the 7740 Intercity Train (not
1990s | Brick Model Railroader
Blue Track (1966-79) and Gray Track (1980-91) Box Images - LEGO Train Tech - Eurobricks Forums