Чикаго, Twin Coach 40TT № 76 Реклама и документация
ЧикагоElectric Railway Journal, vol. 74, no. 11 (10/1930), Westinghouse advertisement
1930 г.Прислал AlexSan
Чикаго, St. Louis Job 1538 № 91 — Central
Central AvenueElectric Railway Journal, vol. 74, no. 10 (9/1930), page 563