Gustav-Mahler.eu
  • 1890. Photo Theodor Billroth (1829-1894).
  • 1899. Signature Gustav Mahler (1860-1911) with signatures of Siegfried Wagner (1869-1930), Karl Goldmark (1830-1915), Engelbert Humperdinck (1854-1921), Wilhelm Kienzl (1857-1941), Justine (Ernestine) Rose-Mahler (1868-1938), Arnold Josef Rose (1863-1946), Carl Weinberger (1861-1939) and Max Josef Beer (1851-1908).
  • 1904. Letters by Franz Schalk (1863-1931).
  • 1912. Book Paul Stefan - Gustav Mahler. (4th edition)
  • 1913. Book Richard Specht - (9th edition)
  • 1920. Gustav Mahler Festival Amsterdam 1920. Mahler-Feest. Feest book. Feast book.
  • 1920. Gustav Mahler Festival Amsterdam 1920 for Willem Mengelberg (1871-1951). Gedenkboek. Commemorative book.
  • 1927. Letter by Carl Julius Rudolf Moll (1861-1945).
  • 1928. Postcard with signature Grete Wiesenthal (1885-1970).
  • 1946. Letter by Anna Justine Mahler (Gucki) (1904-1988) (postmark Kensington) to Wilhelm Legler (1875-1951), son of Margarethe (Grete) Julie Legler-Schindler (1881-1942). Also letters from other sculptures: Emanuel Pendl (1906, 1915), Richard Kauffungen (1909), Gustinus Ambrosi (1920), Franz Santifaller and Rudolf Kedl (1971).
  • 1946-1949. Four envelopes written by Alma Mahler (1879-1964) in Beverly Hills (House Alma Mahler Beverly Hills 1942-1952 (610 North Bedford Drive)) to Wilhelm Legler (1875-1951).
  • 1948. Signature Bruno Walter (1876-1962) in book title Gustav Mahler Briefe published by Paul Zsolnay (1895-1961).
  • 1960. Stamp. Austria. 100th Anniversary. Issued 07-07-1960. 1.50 os
  • 1995. Gustav Mahler Festival Amsterdam 1995. The World Listens. To commemorate the 1995 festival.
  • 1995. Gustav Mahler Festival Amsterdam 1995. Facsimile edition of Symphony No. 7.
  • 1995. Gustav Mahler Festival Amsterdam 1995. Stamp. Netherlands. Gustav Mahler Festival Amsterdam 1995. First day issues and envelopes. 80 ct. In the background Symphony No. 7.
  • 2010. Stamp. Austria. 150th Anniversary. Issued 18-05-2010. 1.00 os
  • 2016. Signature Daniele Gatti (1961). On score Symphony No. 2.
  • 2017. Facsimile edition Das Lied von der Erde - Der Abschied (127/400).
  • 2017. Signature Marina Fistoulari Mahler (1943). On score Symphony No. 1.