(Untitled) The Belgium Affair, 1997
14 chansons et 1 charade / 14 songs and 1 riddle / 14 chansons und 1 rätsel, 1967
A Most Curious Invention of the Gaga Yogi, 1976
Arbeiten [Works], 1996
Betonmolen [Cement Mixer], 1993
Boîte optimiste n°2 - Vive Le Mariage, 1969
Double Portrait (left), 1997
Draakpoten, 2005
Games at the Cedilla or the Cedilla Takes Off , 1967
Gum-Kunst [Gum-Art], 2006
Information Box, 1973
Joker, 1969
Monsters are inoffensive, Fluxus Postcards, 1967
Optimistic Box N°1, 1968
Optimistic Box n°3, 1969
Petite histoire un peu sainte, 1969
Portable Glory, 1986
Poème collectif, 1968
Standard-Book/Livre-etalon, 1981
Teaching and Learning as performing arts / Lehren und lernen als Aufdrführungkünste, 1970
Untitled, 1991
Untitled (Still), 2000
Zonder titel (regenjasjes) [Untitled (raincoats)], 1993
Zonder titel [Untitled], 1992
