PRR Color Guide to Freight and Passenger Equipment, Vol. 2, page 99+
PRR Color Guide to Freight and Passenger Equipment, Vol. 3, page 97+
Pennsylvania Railroad, page 88
N5 classes and its sub-classes
Side profile diagram
Floor plan diagram
Kohs O-scale N5c Cabin Car Details
Kohs' Project Home Page
Cabin car code
Bill Lane's S-scale cabin cars