Tureck, Rosalyn. (1914–2003) Autograph Letter and Signed Broadside PosterAutograph letter to the noted Columbian musicologist, Otto de Greiff (1903 1995) from the American pianist and harpsichordist who was particularly associated with the music of Johann Sebastian Bach. 2 pages, quarto. Reading, PA. July, 1938. With holograph envelope and an attractive early signed broadside mentioned in the letter. Tureck writes concerning a possible tour to South America, playing Bach and also Brahms with the Budapest String Quartet and