The Boston ArchiveBoston, Massachusetts

Who holds the original of Massachusetts, 1953?

This answer was composed from the records listed beneath it, and from nothing else. Every statement carries the identifier of the record that supports it; every identifier was verified against the retrieved set before this page existed; and the records are named so the answer can be checked against them.

National Archives at Boston, Record Group 304: Records of the Office of Civil Defense and Defense Mobilization holds it, as the record states. urn:lemay:boston:document:massachusetts-1953-5

The archive retrieved the record through Digital Commonwealth — Massachusetts Collections Online on 5 September 2026, and names the holding institution rather than itself as the holder of the original. urn:lemay:boston:document:massachusetts-1953-5

The records this answer rests on

How this page was made

Question derived from
The documentary record, and the rights it is held under
Composed by
claude-opus-5 (composed in the operator's pane, unarmed engine)
Records composed over
8
Nearest record, cosine distance
0.293
Composition packet digest
1a81305e34b27365ead166eb559eed88b786cf097c64efedd8a888793e94854b
Verification
Passed the citation, grounding and gray-record checks against the packet, then survived an independent adversarial review that saw only the packet and this answer.