Sprayberry Academy of Radio Service Manual No. 6 ( Stromberg-Carlson, Temple, Thordarson, Trav-Ler, Truetone, Westinghouse, Woolaroc, Zenith)
Western Auto Stores Truetone Phonograph Radio Tires 1951 Farm Antique Advertisement
Truetone Radio D2906 07 Photofact Folder 1949
Typical Receiver Diagrams and How to Analyze Them Reference Text 17X (National Radio Institute, Belmont Series 40A, Emerson BA-199, RCA T5-2, Truetone D746)