- Felix Salzer papers /
- Series 2: Heinrich Schenker Nachlass /
- Sub-series 4: Analyses of Beethoven, Brahms, Haydn, and Mozart (Mappe 27) /
- Mozart /
- 27/53 - 27/55 /
- Booklets (numbered VII-IX): Sketch, Fantasie in c minor, K. 475, mm. 138-180; in the hand of Angi Elias