G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: The Library, c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6243

Franz von Stuck, Pietà, 1891, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2941

Waldemar Franz Herman Titzenthaler, Industrial Problems, Types of Working People: Germany. Blacksmith; Cooper; Boiler-maker; Stonedresser; Toy-maker; Washwomen; Marketwomen: Types of German Workmen: Blacksmith., 1898, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5669

Max Slevogt, Frau Aventiure, 1894, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2910

Waldemar Franz Herman Titzenthaler, Industrial Problems, Types of Working People: Germany. Blacksmith; Cooper; Boiler-maker; Stonedresser; Toy-maker; Washwomen; Marketwomen: Types of German Workmen, c. 1898, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6258

Ferdinand Brütt, In der Börse, 1891, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3172

G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: The Volksheim., c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6241

Käthe Kollwitz, Self-Portrait at the Table (Selbstbildnis am Tisch), probably 1893, etching and aquatint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8182

Max Klinger, Bildnis einer Römerin auf einem flachen Dach in Rom, 1891, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1791

Käthe Kollwitz, Drei Männer in der Gaststube, 1891–1892 ?, Strichätzung und Kaltnadel in Schwarz auf Velinpapier (Kupferdruckpapier), Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/27963

G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: Club Room., c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6229

Otto Scholderer, Stillleben mit blauer Vase und Pilzen, 1891, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3235

Pablo Picasso, Studies of a Rooster, c. 1896, Colored chalk on beige antique laid paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5361

Franz von Stuck, Reitende Amazone, 1897, Bronze, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4276

G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: Banquet Hall, c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6244

Waldemar Franz Herman Titzenthaler, Health, General: Germany. Berlin. Municipal Slaughter House: Municipal Slaughter House: Berlin., 1897, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6255

Käthe Kollwitz, The End (Ende), 1897, aquatint, etching, and emery stone pencil, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8229

G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: Club Room., c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6200

Max Klinger, Title page from the portfolio "On Death, Part One, Opus XI", 1897, Letterpress printed in black and red inks on off-white wove paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4996

Franz von Stuck, Amazon, 1897 (cast after 1905), Bronze, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4995

G. Koppmann & Co., Social Settlements: Germany. Hamburg. Volksheim: Volksheim, Hamburg, Germany.: The Hall and Stairs., c. 1903, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/6242