https://en.wikipedia.org/wiki/File:Illustrated_London_News_-_Christmas_Truce_1914.jpg
The Illustrated London News's illustration of the Christmas Truce, January 9, 1915.
Author: A. C. Michael
https://commons.wikimedia.org/wiki/File:Soldats_Argonne_2.jpg
French soldiers in Argonne trenches, 1915
Bibliothèque nationale de France
https://commons.wikimedia.org/wiki/File:Franz_Xaver_Gruber_(1787-1863).jpg
Portrait of Franz Xaver Gruber. 1846
https://commons.wikimedia.org/wiki/File:Stille_Nacht_Kapelle_Glasfenster_Josef_Mohr.JPG
Josef Mohr Stained Glass
Silent Night Chapel, 2011
Author: Werner100359
https://commons.wikimedia.org/wiki/File:Stille_Nacht_Autograph_Mohr_a.jpg
Stille-Nacht-Brunnen in Mariapfarr: Abbildung der ältesten erhaltenen Abschrift des Liedes von Joseph Mohr, Kopfzeile, 1 June 2017
Author: Niki.L
https://commons.wikimedia.org/wiki/File:Ortsansicht_1750_AT6380.JPG
Ortsansicht 1750 St. Johann in Tirol, Kupferstich um, 1750
https://commons.wikimedia.org/wiki/File:Birds-Eye_View_of_Trinity_Church.jpg
Birds-eye view of Trinity Church, Broadway at Wall Street, 1846
Author: John Forsyth & E. W. Mimee
https://commons.wikimedia.org/wiki/File:NYC_Trinity_Church.jpg
Trinity Church in Lower Manhattan, 28 May 2008
Author: Daniel Schwen
Innenraum der Laurentiuskirche mit Blick auf Mauracher - Orgel von 1836 und Orgelempore von 1840 (römische Jahreszahl), 23 March 2018
Autnor: 32-Fuß-Freak
https://commons.wikimedia.org/wiki/File:Joseph_Haydn.jpg
Portrait of Joseph Haydn, 1791
Portrait of Mozart
School of Verona, c 1770
Author: attributed to Giambettino Cignaroli
https://en.wikipedia.org/wiki/Michael_Haydn#/media/File:Michaelhaydn1.jpg
Portrait Michael Haydn, 1805
Author: Franz Xaver Hornöck
https://commons.wikimedia.org/wiki/File:Beethoven.jpg
Portrait Ludwig Van Beethoven, 1820
https://archive.org/details/silentnightholyn1925grub/page/n3/mode/2up
Silent night, holy night (Stille Nacht, heilige Nacht)
By Gruber, Franz Xaver, 1787-1863
https://commons.wikimedia.org/wiki/File:Bing_Crosby_1951.jpg
Bing Crosby next to a mic, 1951
CBS Radio
UNESCO
Christmas Drawings For The Human Race
Author: Thomas Nast