Lea, Bud (August 23, 1972). "Veteran Hart retires". Milwaukee Sentinel. p. 1 part 2. Archived from the original on March 12, 2016. Retrieved February 25, 2016 – via Google News.
Lea, Bud (August 23, 1972). "Veteran Hart retires". Milwaukee Sentinel. p. 1 part 2. Archived from the original on March 12, 2016. Retrieved February 25, 2016 – via Google News.