בידספיריט | Horst Janssen. Zeichnungen, Publisher: Prestel-Verlag,

Horst Janssen. Zeichnungen, Publisher: Prestel-Verlag, Mu?nchen, 1982. Published for the Drawing exhibition in the Albertina, Vienna. 1st April- 2 May 1982. Signed and dated 1984, by the artist in colored crayons on the first page. h:229 w:23 d:2 cm.