Ferdinand Hauthal: Geschichte der Sächsischen Armee in Wort und Bild, describes the decline of relations between the French and Saxons, from page 78 (riots in Dresden, 9 March) on up to Leipzig (page 120).
https://books.google.nl/books?id=5IdNAAAAcAAJ&pg=PR3&dq=Hauthal+Geschichte+Armee&hl=nl&sa=X&ved=0ahUKEwiRipmB2K3eAhUKa1AKHckgAD8Q6AEIQDAD#v=onepage&q=Hauthal%20Geschichte%20Armee&f=false
Best regards, Geert