Franciscus Jos I imp et Rex1908 · Silvered copper galvanotype, lead-filled9.9 × 6.8 cm (3 7/8 × 2 11/16 in.)Art Institute of Chicago
Portrait Bust of Henry Vignaud1904 · Silvered bronze7.2 × 5.3 cm (2 7/8 × 2 1/8 in.)Art Institute of Chicago
Portrait Bust of P. W. Janssen1903 · Silvered copper galvanotype, lead-filled13.7 × 14.8 cm (5 3/8 × 5 7/8 in.)Art Institute of Chicago
Carl Ludwig1903 · Silvered copper galvanotype, lead-filled10 × 7.7 cm (4 × 3 1/16 in.)Art Institute of Chicago
Portrait Bust of Joannes Petrus1900 · Silvered copper galvanotype, lead-filled9.8 × 7.6 cm (3 7/8 × 3 in.)Art Institute of Chicago
Chambre syndicate de l'automobile1880 · Silvered copper galvanotype, lead-filled7.6 × 9.8 cm (3 × 3 7/8 in.)Art Institute of Chicago
Heinrich Heine1856 · Silvered copper electrotype (galvanotype), lead-filled10.5 × 6.4 cm (4 1/8 × 2 1/2 in.)Art Institute of Chicago