| strasburgrailroad.com | Strasburg Rail Road |
| psu.edu | Pennsylvania Military Museum |
| state.pa.us | Pennsylvania Trail of History |
| lumbermuseum.org | Pennsylvania Lumber Museum |
| borail.org | B and O Railroad Museum |
| geocities.com | North Dakota State Railroad Museum |
| angelfire.com | Palmerston Railroad Heritage Museum Association |
| readingrailroad.org | Reading Railroad Technical and Historical Society |
| railroadcity.com | Altoona Railroaders Memorial Museum |
| nps.gov | Steamtown National Historic Site (national Park Service) |
| rrhistorical.com | www.rrhistorical.com/ |
Canada , British Columbia , Vancouver