| trainweb.org | The Cape Cod Chapter National Railway Historical Society |
| nycshs.org | New York Central Historical Society |
| kvrr.net | Ol' Hook & Eye - Kishacoquillas Valley railroad history |
| railfan.net | New Jersey Midland Railroad Historical Society |
| urbaneagle.com | East Tennessee and Western North Carolina Railroad Historical Society |
| uphs.org | Union Pacific Historical Society |
| comcast.net | Wabash Railroad Historical Society |
| att.net | Long Island Rail Road Historical Society LIRRHS |
| tripod.com | Grand Trunk Western Historical Society |
| geocities.com | A Photographic History of the Washington & Old Dominion Railroad |
United States , Pennsylvania , Pittsburgh