The original sources for the final version of Sibelius's Violin Concerto, including working manuscripts and engraved proofs, with annotations, corrections and additions by Sibelius, signed and inscribed twice ("Violin-Consert / Jean Sibelius"),
Autograph manuscript of "Pelléas et Mélisande" for piano solo, signed twice, including on the autograph title ("Musik z. Maeterlinks Drama 'Pelléas et Mélisande' Componirt und für Piano a 2 Händen arrangiert von Jean Sibelius")
Collection of manuscripts and printed scores for the Ballad for Choir and Orchestra "Die gefangene Königin" (The Captive Queen), Op. 48, containing corrections and annotations by Sibelius, INCLUDING HITHERTO UNKNOWN AUTOGRAPH MATERIAL FOR THE LATER VERSION FOR MALE CHOIR AND ORCHESTRA
Der Rosenkavalier Komödie für Musik von Hugo v Hofmannsthal. Musik von Richard Strauss. Skizzen für die Kostüme und Dekorationen von Alfred Roller, Berlin: Adolph Fürstner, 1910; together with: Der Rosenkavalier...Regieskizze, Fürstner, 1910
THE AUTOGRAPH WILL OF RICHARD STRAUSS, a copy of the "Testament" and "Nachtrag zu meinem Testament [codicil to my will]", both boldly signed by the composer ("DrRichardStrauss")