Railroad Archives Online
- CollectionD0171 - John Lewis Collection
- Series009 - Logging Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 485 more...
- ItemJEL-HL-486 - Heisler geared locomotive motor assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-487 - Heisler geared locomotive motor assembly at Erie, Pennsylvania, undated
- ItemJEL-HL-488 - Heisler geared locomotive parts at Erie, Pennsylvania, undated
- ItemJEL-HL-489 - Heisler geared locomotive parts at Erie, Pennsylvania, undated
- ItemJEL-HL-490 - Heisler geared locomotive parts at Erie, Pennsylvania, undated
- ItemJEL-HL-491 - Heisler geared locomotive parts at Erie, Pennsylvania, undated
- ItemJEL-HL-492 - Heisler geared locomotive parts at Erie, Pennsylvania, undated
- ItemJEL-HL-493 - Side view of Heisler Two Truck Locomotive frame at Erie, Pennsylvania, undated
- ItemJEL-HL-494 - Side view of Heisler Three Truck Locomotive frame at Erie, Pennsylvania, undated
- 12 more...