Roger Gredvig books & textbook
Model Railroader (November 1991)
Montford Switzer Montford Switzer Jay S Boggess Jim Kelly Roger Gredvig John S Atkinson Phil Hodges Jory S Tezlaff Alan Houghton Rodger Gredvig Marty Vaughn Gordon Odegard Ron Tumelson Jeff Johnston Russell G. Larson
Kalmbach Publishing /1991-01-01 Paperback / 170 Pages