[Piston, Walter. (1894–1976)] Zukofsky, Paul. (1943–2017) Group of Letters to Paul ZukofskyTwo autograph letters signed from the American composer, theorist and Harvard music professor, to violinist Paul Zukofsky, together with a copy of a typed letter from Zukofsky to Piston. Zukofsky writes to Piston (May 27, 1971; 1 p.) that he would like to record the composer's Sonatina, and asks whether Piston would prefer it to be recorded with harpsichord or piano, and if a run through would be possible. Piston writes (July 12, [1971]; 2 pp.) to