Under mounting pressure, authorities released the names of 25 of the 1,400 artworks found in a Munich flat belonging to Cornelius Gurlitt , the son of a Nazi art dealer.
They put the list on website www.lostart.de - a government funded site based in Magdeburg - which soon crashed after the announcement. More names are expected to follow.
The 25 paintings include work by Marc Chagall, Eugène Delacroix, Carl Spitzweg, Otto Dix, Henri Matisse and Auguste Rodin.
A taskforce has also been formed to research the works and trace their ownership. It is being led by Ingeborg Berggreen-Merkel, a former Bavarian minister and lawyer.
The Nazis seized hundreds of thousands of works from Jewish collectors. Gurlitt’s father, Hildebrand Gurlitt, who bought and sold art for the Nazis. It is believed his son inherited the collection, which he kept in the flat for decades.
The 25 artworks are:
-Antonio Canaletto, “S.A Giustina in Prà della Vale” in Padua, graphic print, 1751/1800
-Marc Chagall, “Allegory/Allegorical Scene,” undated painting
-Hans Christoph, “Paar (Couple),” 1924
-Honoré Daumier, “Don Quixote and Sancho Panza,” c. 1865
-Eugène Delacroix, “Moorish Conversation on a Terrace,” undated
-Otto Dix, “Woman in the Theatre Box,” 1922 and “Dompteuse,” 1922
-Conrad Felixmüller, “Couple in a Landscape,” 1924
-Erich Fraass, “Mother and Child,” 1922
-Bonaventura Genelli, “Male Nude,” undated
-Ludwig Godenschweg, “Male Portrait,” undated and “Female nude,” undated
-Otto Griebel, “Child at Table,” undated and “Veiled Woman,” 1926
-Bernhard Kretschmar, "Straßenbahn" (Tram), undated
-Wilhelm Lachnit, "Mädchen am Tisch (Girl at table), 1923 and "Mann und Frau am Fenster" (Man and woman at window), 1923
-Max Liebermann, "Reiter am Strand" (Rider on the beach), 1901
-Fritz Maskos, "Sinnende Frau" (Pensive Woman), 1922
-Henri Matisse, "Sitzende Frau / In einem Sessel sitzende Frau" (Sitting woman /Woman sitting in an armchair), 1924
-Auguste Rodin, "Etude de femme nue debout, les bras relevés, les mains croisées au-dessus de la tête", (Study of nude woman standing with her arms raised and hands crossed above her head), undated
-Théodore Rousseau, "Vue de la vallée de la Seine" (View of the valley of the Seine), undated
-Carl Spitzweg, "Das Klavierspiel" (Playing piano) ca 1840
-Christoph Voll, "Mönch" (Monk), 1921 and "Sprengmeister Hantsch" (The master exploder Hantsch), 1922