Morton Feldman's Piano and String Quartet: Analysis, Aesthetics, and Experience of a 20th-Century Masterpiece: Fields, Ray: 9781538172278: Amazon.com: Books
Morton Feldman, The Smith Quartet, John Tilbury – Music for Piano and Strings by Morton Feldman. Volume 3 – Soundohm
Feldman, Morton-Piano and String Quartet PDF | PDF
Morton Feldman - Piano and String Quartet (1985) - YouTube