North America
SAPPERS, Vernon J.
Key System Streetcars - Transit, Real Estate and the Growth of the East Bay
SCHIEK, Paul J. & COX, Harold E.
West Branch Trolleys - Street Railways of Lycoming & Clinton Counties
SCHNEIDER, Fred W. & CARLSON, Stephen P.
PCC - From Coast to Coast
Interurbans Special 86
SCHNEIDER, Lewis M.
Marketing Urban Mass Transit - A Comparative Study of Management Strategies
SCHRAMM, Jack E.; HENNING, William H. & ANDREWS, Richard R.
When Eastern Michigan Rode the Rails
Interurbans Specials 94 & 105
Two fine volumes covering Detroit interurbans, illustrated throughout:
Volume One - Detroit United Railway;
Volume Two - The Rapid Railway and Detroit-Port Huron by rail, ship and bus.
SCHRAMM, Jack E.; HENNING, William H. & DWORMAN, Thomas J.
Detroit's Street Railways
Central Electric Railfans' Association (CERA) Bulletin No. 117 & 120
Two volume detailed study, illustrated throughout:
Volume One: 1863 - 1922;
Volume Two: 1922 - 1956.