Highly important series of forty-three letters, all but two autograph, with other items, to the violinist Zoltán Székely, signed ("Bartok", "Bartók Béla" and, from 1935, "Béla"), one to Paul Sacher, including two unpublished items, many unpublished passages, and some musical examples
Collection of first and early editions of the Piano Sonatas and Bagatelles, in four volumes, Vienna: Artaria & T. Haslinger, et al [c.1820-1840], including:
Autograph manuscript of part of Symphony no.2, signed and inscribed by the composer ("Discarded pages from 'The Age of Anxiety' Leonard Bernstein 1949")
Fine autograph musical quotation from the celebrated 'Flower Song' from "Carmen", SIGNED, in the album of Mme Clémence Lhérie, wife of the first Don José, Paul Lhérie