German rifle-fencing regulations cited by Gelli for Schwerin, 1851. Kept separate from the damaged Thimm-derived Schwerin 1854 record until a firmer edition-family link can be demonstrated.
Exact manifestation match located during the complete external research campaign of quality phase 264 (2026-08-25). Catalogue identifier: 350885370.
Cover audit phase 719: reviewed in the complete frozen 821-candidate pass. Disposition=catalogue_or_finding_aid. Bibliographic catalogue/finding-aid record; useful for identity, but not itself an edition image source. External probe: HTTP 206; content type text/html; charset=UTF-8.
Cover audit phase 740: final outcome=no_image_catalogue_only; bibliographic catalogue or finding-aid record; retained for authority control, but it does not expose a reusable manifestation image.