40 [Deugain] Mlynedd wedyn =
Subtitle: 40 years on : arddangosfa o weithiau a bwrcaswyd er 1938 gan Gymdeithas Gelfyddyd Gyfoes Cymru = an exhibition of works purchased since 1938 by the Contemporary Art Society for Wales.
Contributors: Welsh Arts Council.
Publisher: Welsh Arts Council
Published: 1977
Place of publication: [Cardiff]
Language: eng
Number of pages: 16
Subjects: Art, Modern -- 20th century -- Exhibitions.
Other titles: 40 years on.
Notes: "A Welsh Arts Council touring exhibition"
Parallel texts in English and Welsh.