- [S19601] Wikipedia - Harold Macmillan
- [S19602] Wikipedia - Edward Cavendish, 10th Duke of Devonshire
- [S19603] Wikipedia - Mary Cavendish, Duchess of Devonshire
- [S19604] Wikipedia - Andrew Cavendish, 11th Duke of Devonshire
- [S19605] Wikipedia - William Cavendish, Marquess of Hartington
- [S19606] Commonwealth War Graves Commission
- [S19607] Wikipedia - Kathleen Cavendish, Marchioness of Hartington
- [S19608] Wikipedia - Lady Anne Tree
- [S19609] Wikipedia - Lord Charles Arthur Francis Cavendish
- [S19610] Wikipedia - Adele Astaire
- [S19611] Wikipedia - Lady Dorothy Macmillan
- [S19612] Wikipedia - Frank Lascelles (diplomat)
- [S19613] Wikipedia - Mary Montagu Douglas Scott, Duchess of Buccleuch
- [S19614] Wikipedia - Elizabeth Percy, Duchess of Northumberland (1922–2012)
- [S19615] Wikipedia - John Scott, 9th Duke of Buccleuch
- [S19616] Wikipedia - Walter Montagu Douglas Scott, 8th Duke of Buccleuch
- [S19617] Obituary - Mildred (Merritt) Barnikow
- [S19618] Connecticut, US, Marriage Records, 1897-1968
- [S19620] Burial record - Mildred Helena (Merritt) Barnikow
- [S19621] Find a Grave, Grace Mary (Findlen) Merritt
- [S19623] Death Notice - Robert L. Wright
- [S19624] Death Notice - Shirley Isabelle (McKenna) Cousins
- [S19625] Death Notice - Janice Arlene (Inman) Moase
- [S19626] Death Notice - Grace Kaye (Leard) Clark
- [S19627] 1950 United States Federal Census, New Haven, New Haven, Connecticut, USA
- [S19628] Connecticut, U.S., Divorce Index, 1968-1997
- [S19629] World War II Draft Card - Lester Richard Barnikow
- [S19630] Wikipedia - John Montagu Douglas Scott, 7th Duke of Buccleuch
- [S19631] Marriage Registration
- [S19632] Wikipedia - Richard Scott, 10th Duke of Buccleuch
- [S19633] Wikipedia - Henry Percy, 11th Duke of Northumberland
- [S19636] Wikipedia - Francis Egerton (Royal Navy officer)
- [S19637] Wikipedia - Charles Cavendish, 1st Baron Chesham
- [S19638] Wikipedia - George Byng, 2nd Earl of Strafford
- [S19639] Wikipedia - Julian Byng, 1st Viscount Byng of Vimy
- [S19640] Wikipedia - Evelyn Byng, Viscountess Byng of Vimy
- [S19641] Wikipedia - Henry Cavendish (British Army officer)
- [S19642] Wikipedia - George Cavendish (Aylesbury MP)
- [S19643] Wikipedia - George Cavendish, 1st Earl of Burlington
- [S19644] Wikipedia - Lord George Cavendish (1810–1880)
- [S19645] Wikipedia - George Agar-Ellis, 1st Baron Dover
- [S19646] Wikipedia - Harriet Sutherland-Leveson-Gower, Duchess of Sutherland
- [S19647] Wikipedia - Elizabeth Campbell, Duchess of Argyll
- [S19648] Wikipedia - Elizabeth Leveson-Gower, Duchess of Sutherland
- [S19649] Wikipedia - Lord Colin Campbell
- [S19650] Wikipedia - Gertrude Elizabeth Blood