Köchel catalogue Köchel catalogue The Köchel catalogue () is a chronological catalogue of compositions by Wolfgang Amadeus Mozart, originally created by Ludwig von Köchel, in which the entries are abbreviated "K." and "KV". The numbers of the Köchel catalogue reflect the continuing establishment of a complete chronology of Mozart's works, and provide a shorthand reference to the compositions. According to Köchel's counting, "Requiem in D minor" is the 626th piece Mozart composed, thus is designated either "K. 626" or "KV 626"; however, his original catalogue (1862) of Mozart has been twice revised, and some works have had three KV. numbers, e.g. Mozart's
Barefoot Catalogue Barefoot Catalogue The Barefoot catalogue is a series of catalogues of, mainly, revenue stamps published by stamp dealer John Barefoot of York, England, through his firm J. Barefoot Ltd. The catalogues are of an intermediate level of detail and while they are not usually the only revenue catalogue ever published for a given country, with highly specialised or historic local works sometimes existing, the low price, ready availability and up to date nature of the Barefoot range has meant that they have become the de facto standard revenue catalogue for many countries. In 2010, John Barefoot won the Research Medal