Review and provenance

Specialist reviewer: not recorded. Review date: not recorded.

Dataset workflow: proposed. This is separate from specialist review.

Confidence describes the stated assessment; it does not certify expert approval. How review works.

Research description

The property is assigned when exchange, gifting, itinerant craft, copying, recycling or down-the-line transfer remain viable alongside migration. Additional demographic evidence is required for population movement.

Evidence and sources

Where to go next