David Cottam, Sir Owen Williams 1890-1969, with contributions by Stephen Rosenberg, Frank Newby and George Crabb, ed. Gavin Stamp, AA 1986
Personal information from David Cottam, 2007, to whom special thanks is due.
Personal information from Roy Foot, 2007, and Richard Williams, 2007.
David Yeomans and David Cottam, The Engineer's Contribution to Contemporary Architecture: Owen Williams, RIBA publications 2001
Andrew Saint, Williams, Sir (Evan) Owen (1890-1969), The Oxford Dictionary of National Biography, Oxford University Press 2004-7
Roy Foot, Williams, Owen Tudor (1916-1996), The Oxford Dictionary of National Biography, Oxford University Press 2004-7
Peter Merriman, 'A new look at the English landscape': landscape architecture, movement and the aesthetics of motorways in early postwar Britain, Cultural Geographies Vol 13, 2006
Various material from the archives of Sir Owen Williams & Partners (letters, newspaper cuttings and articles) kindly provided by archivist Malcolm Powells, and including:
Robert Hargreaves, Sir E. Owen Williams: engineer and architect 1890-1969, unpublished dissertation 1977
Owen Williams archive, part of Amey plc