(Revised ed.). DeKalb, Illinois: Northern Illinois University Press. ISBN 978-0-87580-265-7. Taber, Thomas Townsend; Taber, Thomas Townsend III (1980). The Delaware...
(Revised ed.). DeKalb, Illinois: Northern Illinois University Press. ISBN 978-0-87580-265-7. Simon, Elbert; Warner, David C. (2011). Holland, Kevin J. (ed.)....
(Revised ed.). DeKalb, Illinois: Northern Illinois University Press. ISBN 978-0-87580-265-7. Brenner, Aaron, ed. (2009) The Encyclopedia of Strikes in American...
(Revised ed.). DeKalb, Illinois: Northern Illinois University Press. ISBN 978-0-87580-265-7. Saunders, Richard (2003). Main Lines: Rebirth of the North American...