144 works carry all of these threads.
Augustus Saint-Gaudens · 1897–1903; cast 1907
Johan Hendrik Weissenbruch (mentioned on object) · ca. 1875 - ca. 1903
Eugène Carrière · ca. 1904
Catharina Kruysveldt-de Mare · c. 1952
Jan Veth (signed by artist) · 1903
George Hendrik Breitner (mentioned on object) · 1880 - 1923
Jan Frank · 1931 - 1950
anonymous · ca. 1900 - ca. 1930
early 20th century
José Guadalupe Posada · ca 1890–1910
Louis C. Tiffany · ca. 1900
Hans Kalmsteiner · 1907
anonymous · c. 1900 - c. 1930
late 19th–early 20th century
George Hendrik Breitner · 1880 - 1923
