[Gustav MAHLER (1860-1911)]. Gustav Mahler. Ein Bild seiner Persönlichkeit in Widmungen (München, R. Piper & Co, 1910); small in-4, hardback, original cover glued to front cover. Collection of tributes published on the occasion of Mahler's 50th birthday, with texts by G. Hauptmann, H. von Hofmannsthal, St. Zweig, R. Rolland, R. Strauss, A. Schnitzler, P. Dukas, B. Walter, A. Casella, etc. Music facsimiles by J. Bittner and Max Reger; reproductions of Rodin's bust of Mahler (with facsimile of Rodin's dedication to Mahler on serpente) and of a painting by Klimt. Leaflet enclosed: Gustav Mahlers Werke in der Universal-Edition.