| Katrin Bellinger Kunsthandel | München, founded 1985 | |
| Worthington Gallery Inc. | Chicago | |
| Kurt Fried | Ulm, Deutschland, 1906 - 1981 | |
| Francis C. Reif | Gaya (Kyjov, Mähren) 1914 - 1993 Vancouver | |
| Joe Price | Tulsa, Oklahoma 1929 - 2023 Kalifornien | |
| Art Salon Takahata | Osaka | |
| Dr. Camillo Lill | gest. 1968 in Wien | |
| Sidney and Lois Eskenazi Museum of Art, Indiana University | Bloomington, Indiana | |
| Helene Klimt | Wien 1892 - 1980 Wien | |
| Collezione Dall´ Occa | Bologna | |
| Galerie Kunsthandel Monet J.P. Smid | Amsterdam | |
| Alfred Ernst Stengg | Graz 1908 - 1984 Graz | |
| Gabriella Targetti Russoli | Italien, 1926 - 2003 | |
| La Boetie Gallery | New York | |
| Ursula Lena Ucicky | Cottbus 1922 - 2025 Wien | |
| Dom Galerie | Wiener Neustadt | |
| Mr. Cumming | | |
| Margaret Fisher | London | |
| Dr. Harald Meder | | |
| Dr. Marianne Feilchenfeldt | Berlin 1909 - 2001 Zürich | |
| Cäcilia Renata von Österreich | Graz 1611 - 1644 Vilnius, Litauen | |
| M. Knoedler & Co | New York 1846 - 2011 | |
| Arnold Hubert Skutezky | Lomnitz, Mähren 1850 - 1936 Brünn | |
| M. Knoedler Zürich AG | | |
