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
S. K. Pottekkatt 1982. (The last three volumes are a compilation of previous works) S. K. Pottekkatt Sankaran Kutty Pottekkatt (14 March 1913 – 6 August 1982), popularly known as S. K. Pottekkatt, is a famous Malayalam writer from Kerala state, South India. He is the author of nearly sixty books which include ten novels, twenty-four collections of short stories, three anthologies of poems, eighteen travelogues, four plays, a collection of essays and a couple of books based on personal reminiscences. Pottekkatt won the Kerala Sahitya Academy award of 1961 for the novel "Oru Theruvinte Katha" ("The Story of a Street") and the