Ludwig Ritter von Köchel since undergone revisions. Mozart's works are often referred to by their K-numbers ("cf." opus number); for example, the "Jupiter" symphony, "Symphony No. 41" K. 551. Moreover, Köchel arranged Mozart's works into twenty-four categories, which were used by Breitkopf & Härtel when they published the first complete edition of Mozart's works from 1877 to 1910, a venture partly funded by Köchel. He also catalogued the works of Johann Fux. Ludwig Ritter von Köchel Ludwig Alois Friedrich Ritter von Köchel (; 14 January 1800 – 3 June 1877) was an Austrian musicologist, writer, composer, botanist and publisher. He is best known for
Christianity in the 19th century thoroughly protean. The word "liberal" in liberal Christianity does not refer to a leftist political agenda but rather to insights developed during the Age of Enlightenment. Generally speaking, Enlightenment-era liberalism held that people are political creatures and that liberty of thought and expression should be their highest value. The development of liberal Christianity owes a lot to the works of theologian Friedrich Schleiermacher. As a whole, liberal Christianity is a product of a continuing philosophical dialogue. Historian Kenneth Scott Latourette argues that the outlook for Protestantism at the start of the 19th century was discouraging. It was a regional religion