Walter Koschatzky, Rudolf von Alt, Rudolf von Alt, Salzburg 1976, Salzburg 1976, 56/06 or 56/07; Maria Luise Sternath, 56/06 or 56/07; Maria Luise Sternath, Rudolf von Alt, Rudolf von Alt, Exhibition Albertina, Exhibition Albertina, Vienna 2005, Vienna 2005, p. 218., p. 218., From a series of views which Alt made from 1856 to1858: “A few years earlier Alt was asked to come to the estate of the comital family Longueval-Bonquoy in Bohemian Rosenberg. He was to follow his recommendation as an architecture painter and “Zimmermaler”. He came to the fortress after it had been extended by Johann Georg von Buquoy between 1840 and 1857 in order to paint a large series of vedutas, From a series of views which Alt made from 1856 to1858: “A few years earlier Alt was asked to come to the estate of the comital family Longueval-Bonquoy in Bohemian Rosenberg. He was to follow his recommendation as an architecture painter and “Zimmermaler”. He came to the fortress after it had been extended by Johann Georg von Buquoy between 1840 and 1857 in order to paint a large series of vedutas, including 30 interiors and five exterior views. The commission took him from 1853 to 1858 and was particularly rewarding for him, including 30 interiors and five exterior views. The commission took him from 1853 to 1858 and was particularly rewarding for him, because Alt could neither evade the splendour of his patron’s lifestyle with “ancient furniture, because Alt could neither evade the splendour of his patron’s lifestyle with “ancient furniture, precious weapons, precious weapons, vessels and jugs” that manifested itself in a Neogothic taste, vessels and jugs” that manifested itself in a Neogothic taste, nor could Alt withdraw from the majestic location of the estate above the town and the river Moldau.”, nor could Alt withdraw from the majestic location of the estate above the town and the river Moldau.”