Symphony, K. 98 (Mozart) the following movements: In Vienna, an unknown person (possibly Franz Lorenz) compiled a ""Sistematisch-Thematisches Verzeichnis der sämtlichen Compositionen von Wolfgang Amadeus Mozart" ("Systematic Thematic Catalogue of all composition by Wolfgang Amadeus Mozart"). A pencil note "1771 Milan Nov" can be found for K. 98. Ludwig Ritter von Köchel, who only knew the work in an arrangement for two pianos, considered the work authentic and included it into the first edition of the Köchel catalogue. Wyzewa and Saint-Foix did not doubt the work's authenticity, but believed that Mozart only sketched the symphony and did not write it out completely. In his
Death of Wolfgang Amadeus Mozart life. Beyond the Salieri theory, other theories involving murder by poison have been put forth, blaming the Masons, Jews, or both. One such theory was the work of Mathilde Ludendorff, wife of the German general Erich Ludendorff. William Stafford (1991) describes such accounts as outlandish conspiracy theories, giving supporting reasons. Stafford (1991:56) described the effort to determine what disease killed Mozart: In the parish register, the entry concerning Mozart's death states he died of "severe miliary fever"; – "miliary" referring to the appearance of millet-sized bumps on the skin. This does not name the actual disease. Mozart had health problems