How Stuff Works, “How to Play Klabberjass,” David Galt, entertainment.howstufworks.com.
Los Angeles Times (Calif.), “U.S. Grand Jury U.S. Calls Friars Club Members,” July 24, 1967.
Los Angeles Times (Calif.), “U.S. Investigating Reports of Crooked Friars Club Games,” July 25, 1967.
Los Angeles Times (Calif.), “Friars Inquiry Shows Pattern of Cheating,” Sept. 3, 1967.
Los Angeles Times (Calif.), “Perjury Charges: Engineer Indicted on 24 Counts in Friars Inquiry,” Dec. 1, 1967.
Los Angeles Times (Calif.), “U.S. Trial of Five Men Begun in Friars Club Cheating Case,” June 12, 1968.
Los Angeles Times (Calif.), “Crooked Game at Friars Club Cost Banker $50,000, U.S. Says,” June 14, 1968.
Los Angeles Times (Calif.), “Friars’ Gaming Losses Placed at $400,000,” June 21, 1968.
Los Angeles Times (Calif.), “Witness Tells of $25,000 Friars Payoff,” June 26, 1968.
Los Angeles Times (Calif.), “Shock Device Secured to Leg in Friars Games, Court Told,” July 26, 1968.
Los Angeles Times (Calif.), “U.S. Rests Case in Friars Trial,” Aug. 14, 1968.
Los Angeles Times (Calif.), “Friedman Tells of Friars Club Winnings, Splits,” Aug. 28, 1968.
Los Angeles Times (Calif.), “‘Shaken Down,’ Friedman Claims at Friars Trial,” Aug. 30, 1968.
Los Angeles Times (Calif.), “Friedman Relates Dallas Cheating to Friars Club Trial,” Aug. 31, 1968.
Los Angeles Times (Calif.), “5 Guilty in Friars Club Trial,” Dec. 3, 1968.
Los Angeles Times (Calif.), “One Defendant Wins Judgment of Acquittal in Friars Club Case,” Jan. 21, 1969.
Los Angeles Times (Calif.), “4 in Friars Club Case Get 4 to 6 Year Terms,” Feb. 4, 1969.
Zippy Facts, “History of Playing Cards,” Karen Hill, April 2, 2020, zippyfacts.com.