| Artist | Owners or their legal successors are sought (2705 Objects) | Questionable nature to be resolved (6353 Objects) | Restitution to owners or their legal successor has occurred (95 Objects) |
| Hörmann, Theodor von (1840 - 1895) | | 94 | |
| Gauermann, Friedrich (1807 - 1862) | | 77 | |
| Danhauser, Josef (1805 - 1845) | | 47 | |
| Boeckl, Herbert (1894-1966) | | 42 | |
| Schultz, Johann Karl (1801-1873) | | 38 | |
| Blau, Tina (1845 - 1916) | | 34 | |
| Goebel, Carl (1824 - 1899) | | 30 | |
| Alt, Franz (1821-1914) | | 27 | |
| Berger, Julius Victor (1850 - 1902) | | 19 | |
| Meid, Hans (1883-1957) | | 18 | |
| Stöhr, Ernst (1865 - 1917) | | 17 | |
| Engerth, Eduard von (1818 - 1897) | | 14 | |
| Anonymous | | 11 | 1 |
| Unger, William (1837-1932) | | 11 | |
| Kubin, Alfred (1877 - 1959) | | 10 | |
| Windhager, Franz (1879 - 1959) | | 9 | |
| Klaus, Johann (1847-1893) | | 9 | |
| Eisenmenger, August (1830 - 1907) | | 9 | |
| Alt, Rudolf von (1812 - 1905) | | 7 | 1 |
| Schwind, Moritz von (1804-1871) | | 1 | 6 |
| Schönn, Alois (1826 - 1897) | | 7 | |
| Schnug, Leo (1878 - 1933) | | 7 | |
| Stuck, Franz von (1863 - 1928) | | 6 | |
| Schraudolph, Johann von (1808-1879) | | 6 | |
| Geiger, Johann Peter Nepomuk (1805 - 1880) | | 6 | |
| Fronius, Hans (1903 - 1988) | | 6 | |
| Fischer, Hans Ludwig (1891-?) | | 6 | |
| Zorn, Anders (1860-1920) | | 5 | |
| Liebenwein, Maximilian (1869 - 1926) | | 5 | |
| Lefler, Heinrich (1863 - 1919) | | 5 | |
| Kriehuber, Josef (1800 - 1876) | | 5 | |
| Gareis, Franz (1775 - 1803) | | 5 | |
| Sterrer, Karl (1885-1972) | | 4 | |
| Schiele, Egon (1890 - 1918) | | 4 | |
| Pettenkofen, August Xaver Karl von (1822-1889) | 1 | 3 | |
| Klimt, Gustav (1862 - 1918) | | 4 | |
| Klemm, Walther (1883-1957) | | 4 | |
| Genelli, Bonaventura (1798-1868) | | | 4 |
| Füger, Heinrich Friedrich (1751 - 1818) | | 4 | |
| Fortner, Georg | | 4 | |
| Eissenhardt, Johannes Kaspar (1824-1896) | | 4 | |
| Anonymous, attributed to German artist | | 4 | |
| Zille, Heinrich (1858 - 1929) | | 3 | |
| Wawra, Josef (1893 -1935) | | 3 | |
| Thoma, Hans (1839-1924) | | 3 | |
| Steinhart, Anton (1889 - 1964) | | 3 | |
| Schiele, Egon (1890-1918) | | 3 | |
| Rops, Félicien (1833-1898) | | 3 | |
| Romako, Anton (1832 - 1889) | | 3 | |
| Neureuther, Eugen Napoleon (1806 - 1882) | | 3 | |
| Krauskopf, Wilhelm | | 3 | |
| Klieber, Joseph (1773 - 1850) | | 3 | |
| Haanen, Cecil van (1844 - 1914) | | 3 | |
| Fischer, Karl | | 3 | |
| Eckert, Walter (1913 - 2001) | | 3 | |
| Blechen, Karl (1798-1840) | | 3 | |
| Bayros, (Marquis) Franz von (1866 - 1924) | | 3 | |
| Anonymous, attributed to 'French artist' | | 3 | |
| Zampis, Anton (1820 - 1883) | | 2 | |
| Wigand, Balthasar (1770 - 1846) | | 2 | |
| Voltz, Ludwig Gustav (1825-1911) | | 2 | |
| Valckenborch, Lucas van (1530 - 1597) | | 2 | |
| Steinle, Edward Jakob von (1810-1886) | | 1 | 1 |
| Steinhausen, Wilhelm August Theodor (1846 - 1924) | | 2 | |
| Slevogt, Max (1868-1932) | | 2 | |
| Schwind, Moritz von (1804 - 1871) | | 2 | |
| Schubert, Ferdinand (1824 - 1853) | | 2 | |
| Schlittgen, Hermann (1859 - 1930) | | 2 | |
| Schleich the Elder, Eduard (1812 - 1874) | | 2 | |
| Schindler, Carl (1821 - 1842) | | 2 | |
| Schindler, Albert (1805 - 1861) | | 2 | |
| Schilcher, Friedrich (1811-1881) | | 2 | |
| Sattler, Josef (1867 - 1931) | | 2 | |
| Raffaelli, Jean Francois (1850-1924) | | 2 | |
| Pipal, Viktor (1887 - 1981) | | 2 | |
| Peter, Emanuel Thomas (1799 - 1873) | | 2 | |
| Pessler, Ernst (1838 - 1900) | | 2 | |
| Peisker, Anton | | 2 | |
| Neder, Johann Michael (1807 - 1882) | | 1 | 1 |
| Müller, Karl | | 2 | |
| Menzel, Adolf Friedrich Erdmann (1815-1905) | 1 | | 1 |
| Makart, Hans (1840 - 1884) | | 2 | |
| Laske, Oskar (1874 - 1951) | | 2 | |
| Lafite, Karl (1830 - 1900) | | 2 | |
| Koller, Emil | | 2 | |
| Forberg, Carl Ernst (1844-1915) | | 2 | |
| Fohn, Emanuel (1881-1966) | | 2 | |
| Enhuber, Karl von (1811-1867) | | 2 | |
| Engelhart, Josef (1864 - 1941) | | 2 | |
| Dobrowsky, Josef (1889 - 1964) | | 2 | |
| Delacroix, Eugène (1798 - 1863) | | 2 | |
| Czeschka, Carl Otto (1878 - 1960) | | 2 | |
| Bormann, Emma (1887-1974) | | 2 | |
| Bol, Hans (1534 - 1593) | | 2 | |
| Bloemaert, Abraham (1566 - 1651) | | 2 | |
| Attributed to Engleheart, George (c.1750-1829) | | 2 | |
| Anonymous, attributed to 'Japanese artist' | | 2 | |
| Anonymous, attributed to 'German artist' | | 2 | |
| Alt, Rudolf von (1812-1905) | | 2 | |
| Zumsande, Josef (1806 - 1865) | | 1 | |
| Ziegler, Johann (1749 - c. 1812) | | | 1 |
| Zais, Giuseppe (1709 - 1784) | | 1 | |
| Wörnle, Wilhelm (1849-1922) | | 1 | |
| Winck, Christian (1738 - 1797) | | 1 | |
| Wiegele, Franz (1887 - 1944) | | 1 | |
| Whistler, James Abbott MacNeil (1834-1903) | | 1 | |
| Weser, Ernst Christian (1783 - 1860) | | 1 | |
| Welti, Albert (1862-1912) | | 1 | |
| Weixlbaum, Johann (1752-1840) | | 1 | |
| Waldmüller, Ferdinand Georg (1793 - 1865) | | 1 | |
| Vieth (von Golssenau), Friedrich Ludwig (1768-1848) | | 1 | |
| Vieth (von Golssenau), Friedrich Ludwig (1768 - 1848) | | 1 | |
| Vestier, Antoine (1740 - 1824) | | 1 | |
| Venus, August Leopold (1843-1886) | | | 1 |
| Veit, Philipp (1793-1877) | | | 1 |
| Varrone, Johann | | 1 | |
| Unger, William (1837-1932) after van de Velde, Willem (the Elder) (c.1611-1689) | | 1 | |
| Unger, William (1837-1932) after Menzel, Adolf Friedrich Erdmann (1815-1905) | | 1 | |
| Unger, William (1837-1932) after Hals, Frans (c.1580-1666) | | 1 | |
| Unger, William (1837-1932) after Hals, Frans (c. 1580-1666) | | 1 | |
| Troost, Cornelis (1696 - 1750) | | 1 | |
| Trapp, Hede von (1877 - ?) | | 1 | |
| Toulouse-Lautrec, Henri de (1864-1901) | | 1 | |
| Today attributed to Vignon, Claude (1593-1670), formerly to Bellange, Jacques (c. 1575-1616) | | 1 | |
| Today attributed to Shelley, Samuel (1750-1808), formerly to Hazlehurst, Thomas (1740-1821) | | 1 | |
| Today attributed to Shelley, Samuel (1750-1808), formerly to Cosway, Richard (1742-1821) | | 1 | |
| Today attributed to Krüger, Ferdinand Anton (1795 - 1857), formerly to Overbeck, Friedrich (1789 - 1869) | | 1 | |
| Today attributed to Guérin, Jean Urbain (1760-1836), formerly to Sauvage, Piat J. (1744-1818) | | 1 | |
| Today attributed to Dresely, Johann Baptist, formerly to Braun, Friedrich | | | 1 |
| Today attributed to Bouchardon, Edme (1698 - 1762), formerly to Fragonard, Honoré (1732 - 1806) | | 1 | |
| Today attributed to 'Dutch artist', formerly to Suttermans, Justus (1597 - 1681) | | 1 | |
| Till, Johann | | 1 | |
| Tichy, Hans (1861 - 1925) | | 1 | |
| Theer, Robert (1808 - 1863) | | 1 | |
| Suchy, Adalbert (1783 - 1849) | | 1 | |
| Straehuber, Alexander (1814-1882) | | 1 | |
| Stemberger, Elisabeth (1906 - ?) | | 1 | |
| Spitzweg, Carl (1808-1885) | | 1 | |
| Spitzweg, Carl (1808 - 1885) | | 1 | |
| Spitzer, Thomas | | 1 | |
| Seibertz, Engelbert (1813-1905) | | 1 | |
| Seewald, Richard (1889-1976) | | 1 | |
| Schweninger (the Younger), Karl (1854 - 1903) | | 1 | |
| Scholz, Werner 1898 - 1982) | | 1 | |
| Scholz, Werner (1898 - 1982) | | 1 | |
| Schmögler, Theobald | | 1 | |
| Schmitson, Teutwart (1830 - 1863) | | 1 | |
| Schindler, Emil Jakob (1842 - 1892) | | 1 | |
| Schilcher, Friedrich (1811-81) | | 1 | |
| Schiestl, Rudolf (1878-1931) | | 1 | |
| Samz, Anton | | 1 | |
| Rumohr, Freiherr Carl Friedrich von | | 1 | |
| Rottmann, Carl (1797-1850) | | | 1 |
| Rosenzweig, Nanette | | 1 | |
| Romako, Anton (1832-1889) | 1 | | |
| Rollé, Marie (1865-1942) | | 1 | |
| Rochard, Francois Théodore (1798-1858) | | 1 | |
| Ridinger, Johann Elias (1695 - 1767) | | 1 | |
| Renoir, Pierre-Auguste (1841 - 1919) | | 1 | |
| Reinicke, Emil (1859 - ?) | | 1 | |
| Raabe, Josef (Karl Josef) (1780 - 1846) | | 1 | |
| Pynas, Jacob Symonsz. (c.1590-c.1648) | | 1 | |
| Preller the Elder, Ernst Christian Johann Friedrich (1804 - 1878) | | 1 | |
| Plimer, Andrew (1763 - 1837) | | 1 | |
| Plattenberg, Matthieu van, called Platte Montagne | | 1 | |
| Pichler, Stefan | | 1 | |
| Philippi, Robert (1877-1959) | | 1 | |
| Pfeifer, Josef | | 1 | |
| Peter, Emanuel Thomas (1799-1873) | | 1 | |
| Périn-Salbreux, Louis Lié (1753 - 1817) | | 1 | |
| Peche, Ernst (1885 - 1945) | | 1 | |
| Payer-Gartegen, Robert | | 1 | |
| Pauser, Sergius (1896 - 1970) | | 1 | |
| Opiz, Georg Emanuel (1775 - 1841) | | 1 | |
| Neureuther, Eugen Napoleon (1806-1882) | | | 1 |
| Müller, Anton | | 1 | |
| Monogrammist JH | | 1 | |
| Moldovan, Kurt (1918 - 1977) | | 1 | |
| Mirbel b. Rue, Lizinka Aimée Zoé de (1796 - 1849) | | 1 | |
| Millet, Jean-François (1814-1875) | | | 1 |
| Michalek, Ludwig (1859-1942) | | 1 | |
| Mediz, Karl (1868 - 1945) | | 1 | |
| Mayer-Beck, Friedrich (1907-?) | | 1 | |
| Max, Gabriel Cornelius von (1840 - 1915) | | 1 | |
| Manet, Edouard (1832-1883) | | 1 | |
| Makart, Hans (1840-1884) | | 1 | |
| Lütgendorff-Leinburg, Ferdinand Karl Theodor Christoph Peter von (1785 - 1858) | | 1 | |
| Lindenschmidt, Wilhelm von (1829-1895) | | 1 | |
| Leybold, Moritz | | 1 | |
| Lenz, Maximilian (1860 - 1948) | | 1 | |
| Lenbach, Franz Seraph von (1836-1904) | | 1 | |
| Laurencin, Marie (1883 - 1956) | | 1 | |
| Lasinio, Carlo (1759-1838) after del Sarto, Andrea (1486-1530) | | 1 | |
| Lanzedelly, Karl (1806 - 1865) | | 1 | |
| Landragin, Marie-Adélaide | | 1 | |
| Kupelwieser, Leopold (1796 - 1862) | | | 1 |
| Kügelgen, Wilhelm von (1802-1867) | | | 1 |
| Krüger, Ferdinand Anton (1795-1857) | | | 1 |
| Kriehuber, Josef (1800-76) | | | 1 |
| Kriehuber, Josef (1800-1876) | | 1 | |
| Kreutzinger, Josef (1757-1829) | | 1 | |
| Kreutzberger, Karl | | 1 | |
| Krafft, Peter (1780 - 1856) | | 1 | |
| Krafft, Joseph (1787 - 1828) | | 1 | |
| Krabbes, Hermann (1840-1920) | | 1 | |
| Kollwitz, Käthe (1867-1945) | | 1 | |
| Kolbe, Georg (1877-1947) | | 1 | |
| Koch, Joseph Anton (1768-1839) | | | 1 |
| Kobell, Ferdinand (1740 - 1799) | | 1 | |
| Klinger, Max (1857 - 1920) | | 1 | |
| Klengel, Johann Christian (1751-1824) | | 1 | |
| Kitt, Ferdinand 1887 - 1961) | | 1 | |
| Kirchner, Albert Emil (1813-1885) | | | 1 |
| Kiesewetter, Wilhelm | | 1 | |
| Khnopff, Fernand (1858 - 1921) | | 1 | |
| Karger, Karl (1848 - 1913) | | 1 | |
| Kaltner, Joseph (c. 1758 - after 1824) | | 1 | |
| Jungnickel, Ludwig Heinrich (1881 - 1965) | | 1 | |
| Isabey, Jean-Baptiste (1767 - 1855) | | 1 | |
| Hoffmann, Josef (1870 - 1956) | | 1 | |
| Hofer, Franz (1885 - 1915) | | 1 | |
| Höchle, Johann Nepomuk (1790 - 1835) | | 1 | |
| Hessell, Leonhard Heinrich (1757 - 1830) | | 1 | |
| Hausknecht, Rudolf | | 1 | |
| Hauck, Reinhold | | 1 | |
| Hagenauer, Karl (1898 - 1956) | | 1 | |
| Haanen, Remigius Adrianus van (1812 - 1894) | | 1 | |
| Guys, Constantin (1802 - 1892) | | 1 | |
| Guibal, Nicolas (1725-1784) | | | 1 |
| Guérin, Jean Urbain (1760 - 1836) | | 1 | |
| Grünbaum, Laurent | 1 | | |
| Granet, François-Marius (1775 - 1849) | | 1 | |
| Graeb, Carl Georg Anton (1816-84) | | 1 | |
| Girodet De Roussy-Trioson, Anne Louis (1767-1824) | | | 1 |
| Genelli, Bonaventura (1798 - 1868) | | 1 | |
| Gauermann, Jakob (1773 - 1843) | | 1 | |
| Gauermann, Friedrich (1807-1862) | | 1 | |
| Führich, Josef von (1800 - 1876) | | 1 | |
| Füger, Heinrich Friedrich (1751-1818) | | 1 | |
| Freydanck, Carl Daniel (1811-1887) | | 1 | |
| Frey, Max (1902 - 1955) | | 1 | |
| Forgery after Schiele, Egon (1890 -1918) | | 1 | |
| Fischer, Leopold (1814-1864) | | 1 | |
| Fest, Wilhelm | | 1 | |
| Fendi, Peter (1796 - 1842) | | 1 | |
| Engerth, Eduard von (1818-1897), after: Vermeyen, Jan Cornelisz. (before 1559-1606) | | 1 | |
| Eissenhardt, Johannes Kaspar (1824-1896) after Ruisdael, Jacob van (1828/29-1682) | | 1 | |
| Eckl, Vilma (1892 - 1982) | | 1 | |
| Dunker, Balthasar Anton (1746-1807) | | 1 | |
| Dumont, Francois (1688 - 1726) | | 1 | |
| Dreber, Heinrich (1822-1875) | | | 1 |
| Dobrowsky, Josef (1889-1964) | | 1 | |
| Dillis, Maximilian Johann Georg von (1759-1841) | | | 1 |
| Daffinger, Moritz Michael (1790-1849) | | | 1 |
| Daffinger, Moritz Michael (1790 - 1849) | 1 | | |
| Cosway, Richard (1742-1821) | | 1 | |
| Cocteau, Jean (1889-1963) | | 1 | |
| Chéret, Jules (1836 - 1932) | | 1 | |
| Castello, Giovanni Battista, called il Bergamasco (1547 - 1637) | | 1 | |
| Caspar, Carl | | 1 | |
| Burne-Jones, Edward (1833 - 1898) | | 1 | |
| Brozík, Václav (1851 - 1901) | | 1 | |
| Bril, Paul (1556 - 1626) | | 1 | |
| Bresslern-Roth, Norbertine von (1891-1978) | | 1 | |
| Bracht, Eugen Felix Prosper (1842 - 1921) | | 1 | |
| Bossi, Domenico (1765-1853) | | 1 | |
| Boeckl, Herbert (1894 - 1966) | | 1 | |
| Bloemaert, Abraham (1566-1651) | | | 1 |
| Blaas, Carl von (1815 - 1894) | | 1 | |
| Bertl, Otto | | 1 | |
| Bergmüller, Johann Georg (1688-1762) | | | 1 |
| Benedetti, Tommaso (1796/97 - 1863) | | 1 | |
| Becker, Alexander | | 1 | |
| Bartsch, Adam Johann (1757-1821) | | 1 | |
| Balbi, Lorenzo Gasparo (1732 - 1782) | | 1 | |
| Baisch, Hermann (1846 - 1894) | | 1 | |
| Attributed to Zincke, Christian Friedrich (1685 - 1767) | | 1 | |
| Attributed to Wolf, Franz (?) | | 1 | |
| Attributed to Vincent, Francois André (1746 - 1816) | | 1 | |
| Attributed to Theer, Robert (1808-1863) | | | 1 |
| Attributed to Theer, Robert (1808 - 1863) | | 1 | |
| Attributed to Smart, John (the Elder) | | 1 | |
| Attributed to Nilson, Johannes Esaias (1721-1788) | | 1 | |
| Attributed to Lanino, Bernardino (c. 1512-1583) | | | 1 |
| Attributed to Hoskins, John (the Elder) | | 1 | |
| Attributed to Grahl, August (1791 - 1868) | | 1 | |
| Attributed to Fraisinger, Caspar (1560 - 1599) | | 1 | |
| Attributed to Fendi, Peter (1796-1842) | | 1 | |
| Attributed to Fendi, Peter (1796 - 1842) | | 1 | |
| Attributed to Blesendorf, Constantin Friedrich (1674 - 1744) | | 1 | |
| Archduchess Marie Christine of Habsburg-Lorraine (1742 - 1798) | | 1 | |
| Antonio, Juan | | 1 | |
| Anreiter, Aloys von (1803 - 1882) | | 1 | |
| Anonymous, English, formerly attributed to Cosway, Richard | | 1 | |
| Anonymous, copy after Clouet, François (c. 1505/10-1572) | | 1 | |
| Anonymous, attributed to Ranftl, Johann Mathias (1804 - 1854) | | 1 | |
| Anonymous, attributed to northern school | | 1 | |
| Anonymous, attributed to Florentine artist | | 1 | |
| Anonymous, attributed to Flemish artist | | 1 | |
| Anonym | | 1 | |
| Alt, Jakob (1789-1872) | | 1 | |
| Agricola, Karl (1779 - 1852) | | 1 | |
| After Olivier the Elder, Isaac (c. 1565 - 1617) | | 1 | |
| Adamek, Johann (1774 - 1840) | | 1 | |
| Abel, Joseph (1764 - 1818) | | 1 | |
| Grand Total | 5 | 935 | 37 |
