Martin Kippenberger, Untitled (Self-Portrait), 1988, Watercolor, gouache, pastel, blue and black ballpoint pens, and silver paint on white wove paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/158898 Martin Kippenberger, Die Welt des Kanarienvogels (The World of the Canary), 1988, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34700 Martin Kippenberger, [Untitled], 1989, Cut-and-pasted printed and painted papers on paper in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35275 Martin Kippenberger, [Untitled], 1989, Cut-and-pasted-printed paper and cut-and-pasted synthetic sheeting on photo offset lithograph in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35644 Martin Kippenberger, [Untitled], 1992, Pencil and crayon on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37171 Martin Kippenberger, [Untitled], 1992, Pencil, ballpoint pen, and crayon on doctor's stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37176 Martin Kippenberger, [Untitled], 1992, Ink and pencil on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37177 Martin Kippenberger, [Untitled], 1992, Pencil and crayon on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37178 Martin Kippenberger, [Untitled], 1992, Pencil and crayon on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37169 Martin Kippenberger, [Untitled], 1992, Pencil and crayon on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37170 Martin Kippenberger, [Untitled], 1992, Ink on doctor's stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37172 Martin Kippenberger, [Untitled], 1992, Pencil on doctor's stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37173 Martin Kippenberger, [Untitled], 1992, Pencil and crayon on hotel stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37174 Martin Kippenberger, [Untitled], 1992, Pencil on doctor's stationery in artist's frame, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37175 Martin Kippenberger, Untitled (What we gone do), 1995, Felt-tip pen, ballpoint, and pencil on hotel stationery, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34558 Martin Kippenberger, Untitled (A la Grande Cloche), 1995, Colored pencil, transfer type, ballpoint pen, and felt-tip pen on hotel stationery, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34527 Martin Kippenberger, Untitled (Hallo Hallo), 1995, Colored pencil and felt-tip pen on hotel stationery, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34543