Chicago Rapid Transit Company Rules & Regulations 1942
Chicago Rapid Transit, Vol. 1 Rolling Stock 1892-1947, CERA Bulletin 113, 1973
Vintage 1946 Chicago Rapid Transit CRT Map Elevated Railroads & Subway Lines
Vintage 1940s Chicago Rapid Transit Map Elevated Railroad Subway L Brochure
Chicago's Rapid Transit Rolling Stock, Vol. II. 1947-1976. CERA Bulletin 115.
THE "L" THE DEVELOPMENT OF CHICAGO'S RAPID TRANSIT SYSTEM 1888-1932 - CERA #131
