Köchel catalogue son's earlier works; Mozart's catalogue of his own compositions (begun in February 1784 with K. 449) allows relatively precise dating of many of his later works. The catalogue included the opening bars of each piece, known as an incipit. Köchel divided the corpus into a main chronology of 626 works, and five appendices ("" in German, abbreviated to "Anh.") The appendices (Anh. I-V) included: Since Köchel published his original catalogue in 1863 (now referred to as K), the dating of Mozart's compositions has been subject to constant revision. Many more pieces have since been found, re-dated, re-attributed and re-numbered, requiring
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