Fifteen hundred 20-ton four wheeled high-sided wagons. In: The Locomotive Magazine and Railway Carriage and Wagon Review. Locomotive Publishing Company, London, 15. März 1917, S.60 (englisch, Google Books).
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20 Metric Tons Capacity High Sided Goods Wagon ... for the Paris & Orleans Ry. France. In: Master Car Builders' Association (Hrsg.): Car builders' cyclopedia of American practice. Simmons-Boardman Publishing Company, 1919, S.1145 (englisch, HathiTrust).
