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
Mormonism in the 19th century Mormonism in the 19th century This is a chronology of Mormonism. In the late 1820s, founder Joseph Smith, founder of the Latter Day Saint movement, announced that an angel had given him a set of golden plates engraved with a chronicle of ancient American peoples, which he had a unique gift to translate. In 1830, he published the resulting narratives as the Book of Mormon and founded the Church of Christ in western New York, claiming it to be a restoration of early Christianity. Moving the church to Kirtland, Ohio in 1831, Joseph Smith attracted hundreds of converts, who were