| Type | Valeur |
|---|---|
| Titre | Martha Brown in household of James Brown, "England and Wales Census, 1871" |
| Personnes |
|---|
Martha Blackwell |
| "England and Wales Census, 1871", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VB6W-9RD : 25 June 2022), Martha Brown in entry for James Brown, 1871. |