From the allegorical shock of Mors Imperator to the lavish still lifes that first made her name — including two works in the British Royal Collection. All images below are in the public domain.
Mors Imperator · 1887Elaine · exhibited 1893Traumgott · by 1894The Life-Sphinx · 1893At the Gate of the Future · by 1893Vases and Flowers · 1881A Trompe l'Oeil with Flowers · 1883Roses · 1882Ma serre, Nice · 1890Yucca and Cacti · c. 1890From My Hothouse · c. 1890The Baroness · 1910The Portrait She Chose · 1893The Painter in 1893 · 1893In Her Studio · 1899On Tour in America · 1910In the Garden, with a Peacock · undatedPortrait by Philipp Kester · undatedThe Grave in Rome · 1918
Images come from Heidelberg University Library, Wikimedia Commons and Zentral- und Landesbibliothek Berlin — each entry names and links its own source. Her works are public domain (she died in 1918); the photographic portrait is a Library of Congress glass negative.