found: Nantes. Musée de beaux-arts. 56 Group Wales, 1974.
found: A taste of the avant-garde, 2012 : 56 Group Wales, 56 years, 2012:pref. (professional artist exhibiting association 56 Group Wales; founded in 1956 as the 56 Group) p. 6 (founded by three artists living in Cardiff) p. 21 (at the AGM in October [1966] it was decided to add the word "Wales" to the name of the Group)
found: Its website, 29 July 2013(56 Group Wales / Grwp 56 Cymru; the 56 Group Wales was founded in 1956 by a number of professional artists who realised that there were very few opportunities to exhibit contemporary art in Wales at that time; since then the Group has consistently shown contemporary work throughout Wales, in the British Isles and Ireland, in Europe, and North America)