Konstruktioner (1964-1967)

180 hammerslag imod Krigsaberne / 180 hammerschlag gegen Kriegsaffen

1988 · Felt-tip pen and stamped ink on printed paper

Green Violin (Grüne Geige)

1974 · Multiple of painted violin with stamp additions

Scottish Symphony (Schottische Symphonie) / Requiem of Art

1973 · Two 12-inch vinyl records

Poster for 2 Internationale Koncerter for Instrumental Teater og Anti-Art, September 27 – September 30, 1963, Nikolaj Kunst Bibliotek

1963 · Gelatin silver print

Three Progressive Sonatas for Piano Op. 17: Sonate for piano (1); Sonate for piano (2); Sonate for piano (3)

1962 · Mimeograph with stamped ink and ballpoint pen on four sheets

Arrangement of Piano Piece for David Tudor 3 from Five Piano Pieces for David Tudor

1959 · Ink, pencil, ballpoint pen, and cut-and-pasted diazotype on paper