E. T. Howson books & textbook
Railway Engineering and Maintenance Cyclopedia 1929
Elmer T. Howson Walter F. Rench George E. Boyd
Simmons-Boardman /1929T Hardcover / 1116 Pages
MAINTENANCE OF WAY CYCLOPEDIA: A Reference Book
E. T. Howson E. R. Lewis K. E. Kellenberger
Simmons-Boardman Pub. Co. /1921T Hardcover
