Books by Harold E. Cox
Palgrave Concise Historical Atlas of the Balkans
The Palgrave concise historical atlas of the Balkans
Concise Historical Atlas of Eastern Europe
Diamond State trolleys
Diamond State trolleys
Wyoming Valley trolleys
Wyoming Valley trolleys
Hill City Trolleys
Hill City Trolleys
Utility cars of Philadelphia,
Utility cars of Philadelphia, 1892-1971
The Fairmount Park trolley
Early electric cars of Philade
Early electric cars of Philadelphia, 1885-1911
The Birney car
The Birney car
Surface cars of Philadelphia,
Surface cars of Philadelphia, 1911-1965
PCC cars of North America
The tram subways of Philadelph
The tram subways of Philadelphia - a history and a forward look