Contact.

Corrections. If a figure no longer matches its source, tell us which entry and which line — we correct and note it on the page.

Questions. If an entry left your question unanswered, that is a gap in the reference; write in and we will consider it for a future entry.

Sponsorship. Support buys a named entry in Le Registre and nothing else — see the Methodology before writing.

The desk reads everything and answers what it can. General information only — we cannot advise on individual medical or legal situations.