Walter, Bruno. (1876–1962) Two Signed Letters - A Recommendation for Raymond LewenthalTyped letter signed from the important conductor, recommending the American pianist Raymond Lewenthal. Together with a further brief accompanying TLS to Lewenthal, sending the letter of reference. September 24, 1945. Walter writes: "To Whom It May Concern, I heard Mr. Raymond Lewenthal playing at the contest of the University of California, and it gives me pleasure to say what favorable impression his performing has made on me. His is the nature of a