1. Zweig MS 65 Reference (shelfmark): Zweig MS 65 Title: Wolfgang Amadeus Mozart: Letter to Maria Anna Thekla Mozart, 28 February 1778 Scope & Content: Dated Mannheim, 28 Feb. 1778 at the foot of f. 2v. Collection Area: Music Collections Languages: German Date Range: 1778 Extent: 1 volume (2 folios)
