Sources cited in the text

    Allan, Michael.  2026.  *Aetiology of the cosmic safehold.*  Draft rev. e5d6d01, 2026-9.
        : see https://github.com/Michael-Allan/safehold/aetiology/tree/e5d6d01
        : see https://github.com/Michael-Allan/safehold/aetiology/compare/e5d6d01..HEAD
        : see http://reluk.ca/project/safehold/aetiology/ : readable working copy ≅ HEAD