File:St Louis Southwestern GE B36-7 7773 (50327765131).jpg - Wikimedia Commons
Southern Pacific #3873 – Pacific Southwest Railway Museum
Diesel Era V22 N5 EMD GP9 SP Cotton Belt GP35 NS SD70ACe Chesapeake & Ohio C&O
Cotton Belt train in Dallas] - The Portal to Texas History
HO SD45T-2 Locomotive, Cotton Belt #9383
Diesel Era V22 N5 EMD GP9 SP Cotton Belt GP35 NS SD70ACe Chesapeake & Ohio C&O
Southern Pacific #3873 – Pacific Southwest Railway Museum
Cotton Belt GP9 Info Page
Checking out the 3rd Rail GP9 locomotive - Trains
American Tagged Diesel/Electric - Clark Railworks