Sandra Gianfreda, in: Zürcher Kunstgesellschaft. Jahresbericht 2020
[1] For example: 'Arnold Böcklin', 1894, oil on panel, 52 × 44.2 cm, Kunstmuseum Thurgau, Kartause Ittingen (inv. no. 1999.861), ill. in: Yvonne Istas, Künstlerbrüder Würtenberger. Karl Maximilian (1872 -1933) und Ernst (1868 -1934), exh.-cat. Stadtmuseum im Alten Forstamt, Stockach 2010, p. 64.
[2] Ernst Würtenberger. Ein deutscher Maler in der Schweiz, exh.-cat. Städtische Wessenberg-Galerie Konstanz / Hermann-Hesse-Höri-Museum Gaienhofen, ed. by Barbara Stark, Wädenswil 2017, p. 36.
[3] On the back of the painting is a sticker with a handwritten note by a Dr. O. Brugger from Kreuzlingen, a former school and childhood friend of the artist. Brugger located the making of the painting to Florence.
[4] Würtenberger studied at the Royal Academy of Fine Arts in Munich from 1888 to 1892, stayed with Böcklin in San Domenico near Florence in the winter of 1895/1896 and completed his training at the Grand Ducal Academy of Fine Arts in Karlsruhe from 1896 to 1898.
[5] See most recently: Ernst Würtenberger (as note 2), pp. 34-36.