Ten Norwegian artists : Walker Art Gallery, Liverpool, 15 May-13 June 1971, City Art Gallery, Manchester, 1 July-25 July 1971 / [exhibition organised by the Cultural Department, Royal Ministry of Foreign Affairs, Oslo ; artists selected by the Permanent Jury of the Norwegian Artists' Association, Oslo]. - [S.l.], 1971. - [23] s. : kuv. ; 20 x 20 cm