Report on family and estate papers of the Williams-Bulkeley family, Baronets of Penrhyn, Caernarvonshire, 1331-1913 including papers of the Bulkeley family, Viscounts Bulkeley
University College of North Wales.
London Royal Commission on Historical Manuscripts for the University College of North Wales Bangor
1982
Williams-Bulkeley Family
Penrhyn Baronets of