Report on the family and estate papers of the Duff-Gordon Family, Baronets, Harpton Court, Radnorshire, 16th-20th century including correspondence and papers of Sir George Cornewall Lewis (1806-1863) 2nd Baronet, statesman.
National Library of Wales.
London : Royal Commission on Historical Manuscripts for the National Library of Wales,
1988.
"No. 88/18."
Duff-Gordon Family
Lewis, George Cornewall, Sir