Symphony, K. 75 (Mozart) works from this time period, such as the K. 97 symphony, the autograph, which was in the possession of Breitkopf & Härtel, was destroyed during World War II. Mozart's authorship therefore remains uncertain. Most professionals consider the work authentic. The Alte Mozart-Ausgabe (published 1879–82) gives the numbering sequence 1–41 for the 41 numbered symphonies. The unnumbered symphonies (some, including K. 75, published in supplements to the Alte-Mozart Ausgabe until 1910) are sometimes given numbers in the range 42 to 56, even though they were written earlier than Mozart's Symphony No. 41 (written in 1788). The symphony K. 75 is given
19th-century Catholic periodical literature 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 the "Pope of 1889 was far more influential that the Pope of 1839 because the later Pope was surrounded by the press and the