Information
Sources
1. Thomas Fetters.
Palmetto Traction: Electric railways of South Carolina. Forty Fort, PA: Harold E. Cox, 1978.
2. Harold E. Cox.
The Birney Car. Forty Fort, PA: Author, 1966.
3. Alan Lind.
From Horsecars to Streamliners: An Illustrated History of the St. Louis Car Company. Park Forest, IL: Transport History Press, 1978.
See also
http://streetcars.telcen.com/ — a personal site of Dr. Harold E. Cox with author’s books and car builders’ order lists.