Sonsbeek buiten de perken.
By: 19.6-15.8.1971, Centrum/centre: Park Sonsbeek, Arnhem.
Publisher: Drukkeri De IJssel
Published: 1971
Place of publication: [Deventer
Language: eng
Subjects: Conceptual art -- Exhibitions; Arts, Modern -- 20th century; Arnhem (Netherlands) -- Parks -- Park Sonsbeek.
Notes: At head of title: Sonsbeek 71.
Exhibition catalog.
Dutch or English.
Bibliography: v. 1, p. 213-228; v.2, 94-95.