 He continued some projects of his father, in particular, the Karlskirche, the "Hofbibliothek" (Imperial Library), and the "Winterreitschultrakt" (Winter Riding School) of the Hofburg.However, after his father, he also worked on many palaces, castles, and churches, as well as numerous monuments, gardens, tombs, and altars (see "Works" below).He first developed his skills in his father's workshop.