Köchel listing

[ kur-shuh l; German kœ-khuh l ]
/ ˈkɜr ʃəl; German ˈkœ xəl /

noun

the chronological number of a composition of Mozart as assigned in the catalog of the composer's works compiled in the 19th century by the Austrian musicologist Ludwig von Köchel (1800–1877) and since revised several times. Abbreviation: K
Also called Köchel number.