The National Library of Wales;
The Royal Welsh Agricultural Society;
The Royal Society of Portrait Painters;
Museum and Art Gallery, Newport;
Llandovery College;
Trinity College;
Lampeter College;
Cardiff and County Club;
University of Wales College of Medicine;
The Sir Geraint Evans Wales Heart Research Institute.
David Griffiths is represented in public and private collections, including:
The American Embassy, London;
The House of Lords, London;
The British Association of Anaesthetists, London;
The Federation of British Anaesthetists, London;
The Association of Chartered Surveyors;
Speaker's House, Westminster;
The Linnean Society of London;
The City Hall, Cardiff;
Liverpool University;
Peterhouse College, Cambridge;
University of Wales, Cardiff, Aberystwyth,
Swansea and Bangor;
EXHIBITIONS