This collection documents the careers of Ruth Kelley Martin (b. Ruth Berenice Kelley, Jersey City, NJ, April 14, 1914; d. New York, December 11, 2000) and Thomas Philipp Martin (b. Thomas Philipp Fleischer, Vienna, May 28, 1909; d. New York May 14, 1984), who are known for their translations of opera libretti. Together they translated over 40 Italian, German, and French operas into English, and Thomas translated four American operas into German.