• Rails USA Internet Search Engine & Directory

• Rails Canada Internet Search Engine & Directory

• Railserve - The Railroad Internet Directory

• New Haven Railroad Historical and Technical Association

• Lake Superior Railroad Museum & The North Shore Scenic Railroad

• Friends of The Cumbres and Toltec Scenic Railroad

• Mountain West Rail

• Railroads of Cincinnati

• Burlington Route Steam Book and Other Steam Books

• Model Railroader Magazine

• Trains.Com

• True West Magazine

• Images on Glass

• Gauge Guide

• About Train Resource Directory

• Tom Gildersleeve's Vintage Slide Sale