VEN5027260: Solfege: page of a codex representing the Guidonian hand. The hand of Guido d'Arezzo (Gui or Guy d'Arezzo) is a method of recording notes used during singing and accompanying solmisation, a study of the song founded by Guido d'Arezzo at the end of the 11th century. Manuscript from the end of the 15th century. Musical Bibliographic Museum of Bologna. Italy / Bridgeman Images
GIO5026847: Family portrait of Francois Ferdinand (Francois-Ferdinand) of Habsburg (1863-1914), Archduke of Austria, with his wife Sophie (Sophia) Chotek of Chotkowa and Wognin (1868-1914) and their children Maximilian of Hohenberg (1902-1962), Ernest of Hohenberg (1904-1954) and Sophie of Hohenberg (1901-1990). 1907 approx. / Bridgeman Images