Letter to U.S. Trade Representative Kantor on North American Free Trade Agreement (NAFTA), June 29, 1993
Letter to U.S. Trade Representative Hills on North American Free Trade Agreement (NAFTA), June 4, 1991
Letter to the U.S. Senate on the Minimum Wage and Just Wages, January 8, 2014
Letter to U.S. Trade Representative Froman Regarding U.S. Trade Policy, July 19, 2013
Letter to U.S. House of Representative Regarding the Fair Minimum Wage Act , January 8, 2007
Letter to the CEO of McDonald's Regarding the Coalition of Immokalee Workers, September 28, 2006