A bilingual annotated archive guide to transgender surveys, legal-policy reviews, medical and document-change guides, workplace research, and national health studies published in or about mainland China from 2014 to 2021, with a grey-literature provenance matrix and document-life ledger.

A fixed-sample observatory of government rules, hospital pages, community surveys, litigation records, community archives, web archives, and search indexes, proposing a source-survival stack and discovery-redundancy model for mainland China’s transgender history.