 
| Type | Valeur | 
|---|---|
| Titre | The Victoria history of the county of Bedford | 
| Personnes | 
|---|
|  Lady Margaret Beaufort Countess of Richmond and Derby HE01 | 
| Page, William, The Victoria history of the county of Bedford, London : Dawsons of Pall Mall for the University of London Institute of Historical Research, 1972, vol. 3 p. 41, Family History Library (FHL), 35 North West Temple Street, Salt Lake City, Utah, |