"Timberlake Only Part of Story: Five Key Men". Christian Science Monitor. December 8, 1964. Archived from the original on November 7, 2012.("The two defensive linemen who came through for the Wolverines are junior guard Bill Keating and senior tackle Arnie Simkus.")
"Transactions". The Los Angeles Times. October 27, 1967. Archived from the original on November 7, 2012.
"Timberlake Only Part of Story: Five Key Men". Christian Science Monitor. December 8, 1964. Archived from the original on November 7, 2012.("The two defensive linemen who came through for the Wolverines are junior guard Bill Keating and senior tackle Arnie Simkus.")
"Transactions". The Los Angeles Times. October 27, 1967. Archived from the original on November 7, 2012.