1940 U.S. Federal Census: Ella's main-schedule row.
Image · dated 1940 · source: National Archives and Records Administration / Ancestry.

How it is shown: Readable row crop; complete original retained privately.
Evidence for
- 1940 U.S. Federal Census, Haverhill, Essex Co., Massachusetts ("Ella Pethbrige") · the original at NARA T627, roll m-t0627-01581, ED 5-141, sheet 2B, via Ancestry