Cincinnati Car Company: “Specifications,” shop orders 3050 and 3055, ten limited and ten local passenger cars for the Cincinnati Hamilton & Dayton Railway Co, (to become Cincinnati and Lake Erie Railroad in 1930) Nov 5, 1929; p. 1, author’s collection. See also William D. Middleton, Extra Fast and Extra Fare, vol. 2 of Traction Classics The Interurbans. (San Marino: Golden
West Books, 1985), 298–305. Cited after Keenan, Jack. "The Fight for Survival: The Cincinnati & Lake Erie and the Great Depression"(PDF). Indiana Historical Society. Archived from the original(PDF) on 2012-09-13. Retrieved 2012-10-22.
Cincinnati Car Company: “Specifications,” shop orders 3050 and 3055, ten limited and ten local passenger cars for the Cincinnati Hamilton & Dayton Railway Co, (to become Cincinnati and Lake Erie Railroad in 1930) Nov 5, 1929; p. 1, author’s collection. See also William D. Middleton, Extra Fast and Extra Fare, vol. 2 of Traction Classics The Interurbans. (San Marino: Golden
West Books, 1985), 298–305. Cited after Keenan, Jack. "The Fight for Survival: The Cincinnati & Lake Erie and the Great Depression"(PDF). Indiana Historical Society. Archived from the original(PDF) on 2012-09-13. Retrieved 2012-10-22.
Riding the Bell, Lehigh Valley Transit's Liberty Bell Route: Ruddell, Ron; Bulletin 147, Central Electric Railfan's Association, Chicago, 2015, Il; 226pp, ISSN0069-1623.