Elmer T. Howson books & textbook
Railway Engineering and Maintenance Cyclopedia 1926
Elmer T. Howson Elmer T. Howson W. F. Rench
Simmons Boardman Publishing Co. /1926T Hardcover / 1072 Pages
Railway Engineering and Maintenance Cyclopedia 1929
Elmer T. Howson Walter F. Rench George E. Boyd
Simmons-Boardman /1929T Hardcover / 1116 Pages
Railway Engineering and Maintenance Cyclopedia
Simmons Boardman /1939-01-01 Hardcover
