"Lucerne I (Sphinx)", 1976 Yellow bricks, masonry 38 x 94 1/2 x 31 1/2 inches 97 x 240 x 80 cm PKB 4/I
"Lucerne II (Angle)", 1976 Yellow bricks, masonry 23 1/2 x 27 1/2 x 39 1/4 inches 60 x 70 x 100 cm PKB 4/II
"Untitled", ca. 1981-1984 Charcoal, pastel, watercolor on paper 31 x 41 1/2 inches 78.5 x 105.5 cm PKZ 3114
"Untitled", 1998 Charcoal, pastel, ink, watercolor, gouache on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3136
"Untitled (Bezzo)", 1990 Charcoal, pastel, ink on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3196
"Untitled", ca. 1992 Watercolor, pastel, pencil on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3151
“Untitled (Mønster Aars)”, ca. 1992-1994 Ink, watercolor on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3140
"Untitled", ca. 1988-1994 Charcoal, pastel, ink, gouache on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3127
"Untitled", 1992 Crayon, pastel, gouache on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3178
"Untitled", ca. 1990-1993 Charcoal, pastel, watercolor on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3166
"Untitled", ca. 1989-1992 Charcoal, pastel, gouache on paper 39 1/2 x 25 3/4 inches 100.5 x 65.5 cm PKZ 3165
"Untitled", ca. 1986 Pencil, charcoal, pastel, watercolor on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3135
"Untitled", ca. 1984-1985 Pastel, ink, watercolor on paper 36 x 25 inches 91.5 x 63.5 cm PKZ 3217
"Untitled", ca. 1995 Pencil, charcoal, pastel, crayon, watercolor on paper 25 1/2 x 39 inches 65 x 99 cm PKZ 3209
"Untitled", ca. 1986-1988 Pastel, ink, gouache, oil on silkscreen proof 25 1/4 x 36 1/4 inches 64 x 92 cm PKZ 3214
"Untitled", ca. 1986 Pencil, pastel on paper 39 1/4 x 25 1/2 inches 99.5 x 65 cm PKZ 3116
"Untitled", ca. 1990-1994 Charcoal, crayon on paper 25 1/2 x 39 1/4 inches 65 x 99.5 cm PKZ 3168
"Untitled", ca. 1992 Charcoal, pastel, watercolor, gouache on paper 41 1/4 x 31 inches 105 x 78.5 cm PKZ 3110
"Untitled", ca. 1988-1994 Pencil, charcoal, pastel, gouache on paper 39 1/2 x 25 1/2 inches 100.5 x 65 cm PKZ 3139
"Untitled", ca. 1988 Pencil, pastel, ink, gouache on paper 25 1/4 x 29 3/4 inches 64 x 75.5 cm PKZ 3238
"Untitled", ca. 1983 Pencil, pastel, ink on paper 23 1/2 x 16 1/2 inches 59.5 x 42 cm PKZ 3327
"Untitled (Laesø)", 1981 Pencil, ink, gouache on paper 16 1/2 x 23 1/4 inches 42 x 59 cm PKZ 3364
"Untitled", ca. 1985 Pastel, crayon, ink on paper 25 1/2 x 19 3/4 inches 65 x 50 cm PKZ 3336
"Untitled", ca. 1988-1994 Pencil, pastel, ink, watercolor on paper 29 3/4 x 25 1/4 inches 75.5 x 64 cm PKZ 3200
"Untitled", ca. 1983-1984 Watercolor, gouache on paper 23 1/4 x 16 1/2 inches 59 x 42 cm PKZ 3314
"Untitled", ca. 1980-1984 Charcoal, ink, watercolor on paper 23 1/4 x 16 1/2 inches 59 x 42 cm PKZ 3384
"Untitled", 1984 Pencil, pastel, gouache on paper 23 1/4 x 16 1/2 inches 59 x 42 cm PKZ 3383
"Untitled", 1993 Charcoal, gouache on paper 29 3/4 x 25 1/4 inches 75.5 x 64 cm PKZ 3229
"Essen VII (House)", 1977 Red bricks, masonry 35 1/2 x 32 1/4 x 32 1/4 inches 90 x 82 x 82 cm PKB 5/VII
"Untitled", ca. 1985-1988 Pastel, ink, watercolor on paper 23 1/4 x 16 1/2 inches 59 x 42 cm PKZ 3390
"Untitled", ca. 1982 Pencil, pastel, ink, gouache on paper 25 1/4 x 17 3/4 inches 64 x 45 cm PKZ 3338
"Untitled", ca. 1985-1987 Pencil, pastel, ink, watercolor on paper 22 x 30 inches 56 x 76 cm PKZ 3203
"Untitled", 1985 Pencil, crayon, ink, watercolor, gouache on paper 23 1/4 x 16 1/2 inches 59 x 42 cm PKZ 3392
"Untitled (Laesø)", 1984 Charcoal, crayon, ink, gouache on paper 16 1/2 x 23 1/4 inches 42 x 59 cm PKZ 3372
"Untitled", ca. 1985-1986 Crayon, ink, watercolor on paper 29 3/4 x 25 1/4 inches 75.5 x 64 cm PKZ 3222
"Untitled", ca. 1988-1994 Pastel, crayon, ink, watercolor on paper 29 1/2 x 25 1/4 inches 75 x 64 cm PKZ 3199