"Complaint For Patent Infringement". Magnavox Company v. Chicago Dynamic Industries, et al. US District Court for the Northern District of Illinois, Eastern Division. April 15, 1974. Retrieved October 1, 2024.
McEwan, Charles E. (January 31, 1980). "Charles R. McEwan Deposition". Bally Manufacturing Corporation v. D. Gottlieb & Co., et al. US District Court for the Northern District of Illinois, Eastern Division. Retrieved September 29, 2024.
Neven, John F. (July 11, 1977). "Notice of Motion". Magnavox Company v. Chicago Dynamic Industries, et al. US District Court for the Northern District of Illinois, Eastern Division. Retrieved March 22, 2024.
Fritsche, Robert E. (December 28, 1976). "Trial Transcript". Magnavox Company v. Chicago Dynamic Industries, et al. US District Court for the Northern District of Illinois, Eastern Division. p. 495. Retrieved September 29, 2024.
Braun, David H. (June 14, 1974). "David Braun Deposition". Magnavox Company v. Chicago Dynamic Industries, et al. US District Court for the Northern District of Illinois, Eastern Division.