Dr. William D. Middleton

title	ISBN-13	year of publica- tion	other author(s)
Encyclopedia of North American Railroads	978-0-253-34916-3	2007	George M. Smerk · Roberta L. Diehl
Frank Julian Sprague: Electrical Inventor and Engineer	978-0-253-35383-2	2009	William D. Middleton III
Landmarks on the Iron Road: Two Centuries of North American Railroad Engineering	978-0-253-33559-3	1999	William D. Middleton
Metropolitan Railways: Rapid Transit in America	978-0-253-34179-2	2002
When the Steam Railroads Electrified: Revised Second Edition	978-0-253-33979-9	2002