150 works carry all of these threads.
Augustus Saint-Gaudens · 1892–1903; this cast, 1914 or after (by 1916)
Christoffel Bisschop · 1850 - 1904
Hans Kalmsteiner · 1907
18th–19th century
George Hendrik Breitner (mentioned on object) · ca. 1880 - ca. 1923
Jan Veth (signed by artist) · 1903
19th century
Théophile de Bock · 1870 - 1904
Late 19th century
Unknown Designer · ca. 1900
Ferdinand Hart Nibbrig (signed by artist) · 1910 - 1912
Cor Jaring (mentioned on object) · 1966
Kempen & Zoon, J.M. van · 1917
20th century
Egon Schiele · 1911
