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
- 397 more...
- ItemJEL-HL-398 - Electric Shovel Coal Corporation Heisler Locomotive Number 6 at Clinton, Indiana, undated
- ItemJEL-HL-399 - Electric Shovel Coal Corporation Heisler Locomotive Number 7 at Erie, Pennsylvania, 1928
- ItemJEL-HL-400 - Electric Shovel Coal Corporation Heisler Locomotive Number 8 at Erie, Pennsylvania, 1928
- ItemJEL-HL-401 - Electric Shovel Coal Corporation Heisler Locomotive Number 9 at Erie, Pennsylvania, 1928
- ItemJEL-HL-402 - Haddock Mining Company Heisler Locomotive Number 1 at Erie, Pennsylvania, 1930
- ItemJEL-HL-403 - Hill and Suender Contracting Engineers Heisler Locomotive Number 10 at Erie, Pennsylvania, 1932
- ItemJEL-HL-404 - Hill and Suender Contracting Engineers Heisler Locomotive Number 13 at Erie, Pennsylvania, 1930's
- ItemJEL-HL-405 - Hill and Suender Contracting Engineers Heisler Locomotive Number 13 at Erie, Pennsylvania, 1930's
- ItemJEL-HL-406 - Lehigh Coal and Navigation Company Heisler Locomotive Number 102 at Erie, Pennsylvania, 1930
- 100 more...