Pennsylvania Railroad GondolasRevenue & Work Equipment, 1869 - 1968 by Al Buchan and Elden Gatwood, 2011.
A 156 page book includes an Introduction covering an overview of freight cars and gondolas; PRR Gondolas from GA to G44, gondolas in Work Equipment service and an Epilog.There are over 350 photos many with cars under load, in addition to numerous car diagrams and information tables. The book is in landscape format, 8½" x 11", on heavy paper, color and B&W. The book is available in both softbound and hardbound editions.
via PRRTHS - Shopping.