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
Japan Photographic Society (19th century) Japan Photographic Society (19th century) The was a Tokyo-based organization of photographers founded in 1889 that continued until the closing years of the nineteenth century. The JPS started as Japan's first organization for amateur photographers, although professionals later joined as well. Of the fifty-six founding members, twenty-four were foreigners, and among these W. K. Burton served as secretary. The JPS arranged various photographic activities: criticism, modeling sessions, exhibitions and so forth. The members' works were published in the magazine "Shashin Shinpō." The society seems to have folded at some time shortly after 1896, as a result of the bankruptcy of