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
Austrian Canadians into the early 20th, until this was tightened in 1914 at the onset of World War I. Austrian Canadian population by province and territory in Canada in 2011: Austrian Canadians Austrian Canadians are Canadian citizens who are of Austrian ancestry or Austrian-born people who reside in Canada. According to the Canada 2011 Census there were 197,990 Canadians who claimed either full or partial Austrian ancestry. Austrian Canadian communities can be found throughout the country but with a higher concentration mainly in Western Canada. In the 17th century, soldiers from the Austro Hungarian Empire settled in New France. Numbers increased following