 These documents are now part of a multimedia library, the Médiathèque Musicale Mahler, founded in 1986 with Maurice Fleuret as the Bibliothèque Gustav Mahler.The first volume of his definitive Mahler biography was published by Doubleday (New York) in 1973, and Gollancz (London) in 1974 and received the Deems Taylor Award (U.S. 1974).A revised edition in French was published by Fayard in 1979, followed by two more volumes in 1983 and 1984, the entire series reaching a final length of about 3600 pages.