- Felix Salzer papers /
- Series 2: Heinrich Schenker Nachlass /
- Sub-series 5: Analyses for the Fünf Urlinie-Tafeln, vol. 2 (Mappe 28) /
- Brahms /
- 28/64 /
- Recto: Sketch (in levels), Brahms-Paganini Variations, op. 35, Theme; in the hand of Manfred Willfort