Copy of 'ZERO' (ed. Heinz Mack & Otto Piene, 1961) from the artist’s library. Third and final issue of the periodical, titled ‘Dynamo’

Actors: Jef Verheyen.

Date: 1967

Collection: Jef Verheyen Archive (Inv. no. JV_54_03).

Invitation to 'DYNAMO ZERO 1959-1969' in Galerie Ursula Lichter, Frankfurt am Main

Actors: Galerie Ursula Lichter, Jef Verheyen.

Date: 1969

Collection: Jef Verheyen Archive (Inv. no. JV_01_02_03).

Set of postcards with historical ZERO exhibitions, published by Galerie Denise Réne Hans Mayer, Düsseldorf, 1970

Actors: Galerie Denise Réne Hans Mayer, Jef Verheyen.

Collection: Jef Verheyen Archive (Inv. no. JV_54_01).