Mozart's name by Mozart scholar Michael Lorenz in the registers of the Lower Austrian Governorship, where in May 1787 "Mozart Wolfgang Amadeus" is referred to as having applied for the return of his written surety for his friend . Other uses of "Amadeus", from immediately after Mozart's death in 1791, are given above. The 19th century saw the gradual victory of "Amadeus" over alternative middle names. The earliest (18th century) biographers of Mozart, such as Friedrich Schlichtegroll and Franz Niemetschek, used "Gottlieb". However, in 1798 the publishing firm of Breitkopf & Härtel began to issue a (partial) Complete Works edition under the
Wolfgang Amadeus Mozart of his yearly Salzburg salary. The quarrel with the archbishop came to a head in May: Mozart attempted to resign and was refused. The following month, permission was granted, but in a grossly insulting way: the composer was dismissed literally "with a kick in the arse", administered by the archbishop's steward, Count Arco. Mozart decided to settle in Vienna as a freelance performer and composer. The quarrel with the archbishop went harder for Mozart because his father sided against him. Hoping fervently that he would obediently follow Colloredo back to Salzburg, Mozart's father exchanged intense letters with his son, urging