1791 (between 12 March and 23 August)

Johann Friedrich Jünger asks Mozart for a keyboard piece

Johann Friedrich Jünger to Johann Franz Hieronymus Brockmann, undated letter (1791)
Vienna, Wienbibliothek, Handschriftensammlung, H. I. N. 1207

This entry has been moved to: https://www.mozartdocuments.org/documents/1791-juenger-to-brockmann/