North America
CUMMINGS, O. R.
Street Cars of Boston - Closed Horse and Electric Cars 1887-1900
Street Cars of Boston - Volume One
CUMMINGS, O. R.
The Trolley Parlor Cars of New England
Transportation Bulletin No. 58 May - June 1959
CUMMINGS, O. R. & LEAVITT, Edward D.
Street Cars to Old Orchard Beach - The Bideford & Saco Railroad and Connecting Lines
CUMMINGS, O. R. & MUNGER, Charles F.
The Shore Line Electric Railway Company
Transportation Volume 13 Parts 1 & 2 [October 1960 & August 1961]
CUNNINGHAM, Gerald F. & CUMMINGS, C.R.
A Forgotten Industry - Newburyport and Amesbury Streetcar Builders: The Newbury Car Manufacturing Co., The Ellis Car Company, The Briggs Carriage Company
