21 x 15cm, 4pp announcement leaflet for a solo exhibition of drawings and prints. One work in colour on front. VG+.

30 x 21cm, unopaginated (48pp) plus card covers. Artist’s book which documents flora and fauna from the Rhine to the Alpine prairies in Lichtenstein. The book consists of b/w images of insects, minerals, landscapes of the lakes, tables of statistics and local flowers as well as one b/w portrait of the artist taking a photograph. There were 40 deluxe copies of this book but this is the trade example issued as nr 7 of the Art Joural Apeiros. Small brown spots on card covers in places else VG. Scarce.

21 x 15cm, 4pp announcement card with one work by the Japanese artist on the front, internally and back texts in German and Museum details. VG+.

21 x 15cm, 2pp announcement card for a solo show displaying various children's capes designed by the artist. One such work in colour on the front. VG+.

32 x 24cm, 96pp plus printed wrappers. Exhibition catalogue of Ringel's neo-expressionist works - text in German with 38 full colour reproductions of drawings. On the end papers there is a unique self-portrait in various coloured inks, felt-tip and graphite by Ringel which is signed and dated ('91). Decidedly unique.