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
19th-century Catholic periodical literature New York City, Detroit, Philadelphia, Winona, Cleveland, Ohio, Toledo, Baltimore, Pittsburgh, Stevens Point, Manitowoc, Mahanoy City, and Wilkes-Barre. Brazil also had a Polish publication. 19th-century Catholic periodical literature The 19th-century Catholic periodical literature is unique in many respects. Most of the periodical publications in mainly Catholic countries can be regarded as "Catholic" literature up to a few decades before 1800: the editorial line is implicitly Catholic in most instances. The development of the press in the 19th century was in general terms a major factor in secularization according to Owen Chadwick. On the other hand, mass printing also meant that