- The Oster collection [microform] : papers of Heinrich Schenker /
- File 34: Analyses of Music by Brahms /
- Label by Ernst Oster: "Brahms, Intermezzi Op. 117 / "Philologisch" /
- Verso: Unidentified text in Jeanette Schenker's hand, with emendations by Schenker. Labeled page 9