1.
Salon des beaux-arts d'Ostende : juillet-septembre 1907 : [catalogue].
2.
3.
Werkbund exhibition, Cologne: Theater, exterior view of the entrance side above the embankment
4.
Werkbund exhibition, Cologne: Theater, interior view of the auditorium
Werkbund exhibition, Cologne: Theater, interior view of the stage
Werkbund exhibition, Cologne: Theater, exterior view of the entrance
Werkbund exhibition, Cologne: Theater, exterior view of the right-hand side facade, seen from the level of the embankment
Werkbund exhibition, Cologne: Theater, ground plan of the final version
Kongo Kunst: Installation view of ten ndop and seven plaster casts, side view