Peter's Model Railroading | Articles | Rolling Stock | PRR H30
References

Model Railroader, 1981, October, page 66-67 (covers both the H30 and H30a, includes PRR, PC, and Conrail photo, and scaled diagrams)
The Keystone Modeler, 2004, January (a basic overview of resources for further information about the H30, with a few model photos)
The Keystone Modeler, 2004, February (equipment diagram of the H30 and two O-scale model photos)
The Keystone Modeler, 2006, October (scratch-built HO-scale model update photos)
PRR Class H30 Hoppers (photos, diagrams, prototype info)
NASG Dispatch, 1989, April (photos, diagrams, and much more detailed information, such as when certain road numbers were produced)
Covered Hoppers (photos of S-scale models with aggressive weathering)