Mozart’s Op. 1 & 2 in the sale of the library of the Duc de Chaulnes
Catalogue des livres, manuscrits et imprimés, et des estampes, de la bibliothèque de M. Le Duc de Chaulnes […] Paris: Le Clerc, 1770.
This entry has been moved to: https://www.mozartdocuments.org/documents/march-1770/