Electric Railway Journal, volume 75, number 10 (9/15/1931), page 554
1930 年提供照片用户: AlexSan
Rockford, Brill T40 # 403 Rockford, Brill T40 # 401 Rockford, Brill T40 # 404
Electric Railway Journal, volume 75, number 6 (6/1931), Brill advertisement