B&O M53 - References
Modern-day photo of an M53?
Lettering schemes.
B&O fonts and logos.
CDS dry transfers.
Sunshine Models' kit construction document, which contains prototype information.
"Live Steam" B&O Wagontop Construction.
"Detailing Freight Cars" by Jeff Wilson.
"Modeling AB Brakes" by Ted Culotta (Railroad Model Craftsman, August 2003, pg 80).
Steam Era Freight Car web site