From the Cab
The Keystone Modeler 99 Winter 2017
Fundraising for the cosmetic restorations of engines left out in the open air at the Railroad Museum of Pennsylvania in Strasburg.
PRR GLA and GLCA Hopper Cars Part 1
The Keystone Modeler 73 Spring 2010
Freight Cars - Hoppers
History of the GL, GLa, GLb, GLc, and GLca hoppers, and includes many prototype photos.